oewn-yautia-n oewn-tannia-n oewn-spoonflower-n oewn-malanga-n oewn-Xanthosoma_sagittifolium-n oewn-Xanthosoma_atrovirens-n

tropical American aroid having edible tubers that are cooked and eaten like yams or potatoes


oewn-calla_lily-n oewn-calla-n oewn-arum_lily-n oewn-Zantedeschia_aethiopica-n

South African plant widely cultivated for its showy pure white spathe and yellow spadix


any of several callas of the genus Zantedeschia having yellow spathes


family of small free-floating thalloid plants


any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow ponds


minute aquatic herbs floating on or below the water surface of still water consisting of a leaflike frond or plant body and single root


of temperate regions except eastern Asia and Australia


cosmopolitan in temperate regions except North America


minute aquatic herbs floating on the water surface consisting of a shiny leaflike frond and 2-21 roots


cosmopolitan except South America and New Zealand and some oceanic islands


minute rootless aquatic herbs having globular fronds floating on or near the water surface and bearing one flower per frond


any of various aquatic plants of the genus Wolffia; throughout warmer regions of the world


smallest flowering plants known; of the Americas


minute rootless aquatic herbs having flat fronds floating on or below the water surface and bearing 1-2 flowers per frond; America and Africa


having narrow flat sickle-shaped submerged fronds; North America


mostly tropical trees and shrubs and lianas: genera Panax and Hedera


type genus of Araliaceae; large widely distributed genus of shrubs and trees and vines: spikenard; Hercules'-club


any of various plants of the genus Aralia; often aromatic plants having compound leaves and small umbellate flowers


oewn-American_angelica_tree-n oewn-devil-ap-s_walking_stick-n oewn-Hercules-ap--club-n oewn-Aralia_spinosa-n

small deciduous clump-forming tree or shrub of eastern United States


oewn-wild_sarsaparilla-n oewn-false_sarsaparilla-n oewn-wild_sarsparilla-n oewn-Aralia_nudicaulis-n

common perennial herb having aromatic roots used as a substitute for sarsaparilla; central and eastern North America


oewn-American_spikenard-n oewn-petty_morel-n oewn-life-of-man-n oewn-Aralia_racemosa-n

unarmed woody rhizomatous perennial plant distinguished from wild sarsaparilla by more aromatic roots and panicled umbels; southeastern North America to Mexico


oewn-bristly_sarsaparilla-n oewn-bristly_sarsparilla-n oewn-dwarf_elder-n oewn-Aralia_hispida-n

bristly herb of eastern and central North America having black fruit and medicinal bark


deciduous clump-forming Asian shrub or small tree; adventive in the eastern United States


similar to American angelica tree but less prickly; China


oewn-ivy-n oewn-common_ivy-n oewn-English_ivy-n oewn-Hedera_helix-n

Old World vine with lobed evergreen leaves and black berrylike fruits


small to medium evergreen dioecious trees of oceanic climates: puka


small roundheaded New Zealand tree having large resinous leaves and panicles of green-white flowers


perennial herbs of eastern North America and Asia having aromatic tuberous roots: ginseng


oewn-ginseng-n oewn-nin-sin-n oewn-Panax_ginseng-n oewn-Panax_schinseng-n oewn-Panax_pseudoginseng-n

Chinese herb with palmately compound leaves and small greenish flowers and forked aromatic roots believed to have medicinal powers


North American woodland herb similar to and used as substitute for the Chinese ginseng


large genus of shrubby and climbing tropical plants having showy digitately compound foliage


erect evergreen shrub or small tree of Australia and northern New Guinea having palmately compound leaves


order of plants distinguished by tubular petaloid perianth and inferior ovary


family of birthworts (including wild ginger)


creeping plant having curving flowers thought to resemble fetuses; native to Europe; naturalized Great Britain and eastern North America


oewn-Dutchman-ap-s-pipe-n oewn-pipe_vine-n oewn-Aristolochia_macrophylla-n oewn-Aristolochia_durior-n

hardy deciduous vine having large leaves and flowers with the calyx tube curved like the bowl of a pipe


oewn-Virginia_snakeroot-n oewn-Virginia_serpentaria-n oewn-Virginia_serpentary-n oewn-Aristolochia_serpentaria-n

birthwort of the eastern United States woodlands


low-growing perennial herb with pungent gingery leaves and rhizomes


deciduous low-growing perennial of Canada and eastern and central United States


evergreen low-growing perennial having mottled green and silvery-grey heart-shaped pungent leaves; Virginia to South Carolina


wild ginger having persistent heart-shaped pungent leaves; West Virginia to Alabama


thick creeping evergreen herb of western Europe


a family of parasitic plants of the order Aristolochiales


a family of flowering plants in Africa and Argentina that are parasitic on the roots of other plants


a group of families of mostly flowers having basal or central placentation and trinucleate pollen (binucleate pollen is commoner in flowering plants); contains 14 families including: Caryophyllaceae (carnations and pinks), Aizoaceae, Amaranthaceae, Batidaceae, Chenopodiaceae, Cactaceae (order Opuntiales), Nyctaginaceae, Phytolaccaceae


oewn-Caryophyllales-n oewn-order_Caryophyllales-n oewn-Chenopodiales-n oewn-order-Chenopodiales-n

corresponds approximately to the older group Centrospermae


used in former classification systems; approximately synonymous with order Caryophyllales


oewn-Caryophyllaceae-n oewn-family_Caryophyllaceae-n oewn-carnation_family-n oewn-pink_family-n

large family of herbs or subshrubs (usually with stems swollen at the nodes)


a caryophylloid dicot genus including corn cockles


oewn-corn_cockle-n oewn-corn_campion-n oewn-crown-of-the-field-n oewn-Agrostemma_githago-n

European annual having large trumpet-shaped reddish-purple flowers and poisonous seed; a common weed in grainfields and beside roadways; naturalized in America


low-growing chiefly perennial plant usually with small white flowers suitable for e.g. rock gardens


oewn-mountain_sandwort-n oewn-mountain_starwort-n oewn-mountain_daisy-n oewn-Arenaria_groenlandica-n


deep-rooted perennial of southeastern United States


perennial succulent herb with small solitary axillary or terminal flowers


low perennial tufted plant of southeastern North America


Eurasian annual sprawling plant naturalized throughout North America


oewn-mouse-ear_chickweed-n oewn-mouse_eared_chickweed-n oewn-mouse_ear-n oewn-clammy_chickweed-n oewn-chickweed-n

any of various plants related to the common chickweed


densely tufted perennial chickweed of north temperate zone


chickweed with hairy silver-grey leaves and rather large white flowers


widespread in the Arctic and on mountains in Europe


any of various flowers of plants of the genus Dianthus cultivated for their fragrant flowers


Eurasian pink widely cultivated for its flat-topped dense clusters of varicolored flowers


oewn-carnation-n oewn-clove_pink-n oewn-gillyflower-n oewn-Dianthus_caryophyllus-n

Eurasian plant with pink to purple-red spice-scented usually double flowers; widely cultivated in many varieties and many colors


Chinese pink with deeply toothed rose-lilac flowers with a purplish eye; usually raised as an annual


a flowering variety of China pink distinguished by jagged-edged petals


low-growing loosely mat-forming Eurasian pink with a single pale pink flower with a crimson center


mat-forming perennial of central Europe with large fragrant pink or red flowers


much-branched pink with flowers in clusters; closely related to sweet William


European pink cultivated for its very fragrant pink or rosy flowers


Eurasian perennial pink having fragrant lilac or rose flowers with deeply fringed margins


a flowering plant genus in the family Caryophyllaceae (Drypis)


spiny-leaved perennial herb of southern Europe having terminal clusters of small flowers


Mediterranean herbs having small white or pink flowers


tall plant with small lance-shaped leaves and numerous tiny white or pink flowers


low-growing Old World herbs with minute bright green leaves


common prostrate Old World herb often used as a ground cover; formerly reputed to cure ruptures


glabrous annual with slender taproot and clusters of white flowers; western Europe especially western Mediterranean and Atlantic coastal areas


genus of plants strongly resembling those of genus Silene: catchfly


mostly perennial herbs with sticky stems that catch insects; widespread in north temperate zone


oewn-ragged_robin-n oewn-cuckoo_flower-n oewn-Lychnis_flos-cuculi-n oewn-Lychins_floscuculi-n

common perennial native to Europe and western Asia having usually pink flowers with ragged petals


Eurasian garden perennial having scarlet flowers in dense terminal heads


oewn-mullein_pink-n oewn-rose_campion-n oewn-gardener-ap-s_delight-n oewn-dusty_miller-n oewn-Lychnis_coronaria-n

an old cottage garden plant of southeastern Europe widely cultivated for its attractive white woolly foliage and showy crimson flowers


mostly perennial herbs of Northern Hemisphere often with mat-forming habit; most often placed in genus Arenaria: sandworts


low-growing herbs widely distributed in temperate and Arctic Northern Hemisphere: sandworts; distinguished from members of the genus Arenaria mainly by having four-petaled rather than five-petaled flowers


low-growing herb having clusters of small white four-petaled flowers


loosely matted plant with moss-like foliage studded with tiny starry four-petaled white blossoms; mountains of central and southern Europe


low-growing annual or perennial herbs or woody plants; whitlowworts


any of various low-growing tufted plants of the genus Paronychia having tiny greenish flowers and usually whorled leaves; widespread throughout warm regions of both Old and New Worlds; formerly thought to cure whitlows (suppurative infections around a fingernail)


perennial tussock-forming rock plants; of Pyrenees and mountains of northern Spain; similar to and sometimes placed in genus Lychnis


small low-growing annual or perennial herbs of temperate and cool regions


any of various low-growing plants of the genus Sagina having small spherical flowers resembling pearls


oewn-soapwort-n oewn-hedge_pink-n oewn-bouncing_Bet-n oewn-bouncing_Bess-n oewn-Saponaria_officinalis-n

plant of European origin having pink or white flowers and leaves yielding a detergent when bruised


small genus of Old World weedy prostrate annuals: knawel


widely distributed low-growing Eurasian herb having narrow leaves and inconspicuous green flowers


large widely distributed genus of plants having mostly showy flowers of various colors: campion; catchfly


tuft- or mat-forming dwarf perennial of Arctic regions of western and central Europe and North America


perennial of eastern and central North America having short-stalked pink or white flowers in hairy clusters


oewn-red_campion-n oewn-red_bird-ap-s_eye-n oewn-Silene_dioica-n oewn-Lychnis_dioica-n

biennial European catchfly having red or pink flowers; sometimes placed in genus Lychnis


oewn-white_campion-n oewn-evening_lychnis-n oewn-white_cockle-n oewn-bladder_campion-n oewn-Silene_latifolia-n oewn-Lychnis_alba-n

bluish-green herb having sticky stems and clusters of large evening-opening white flowers with much-inflated calyx; sometimes placed in genus Lychnis


perennial herb of eastern North America, having red flowers with narrow notched petals


perennial of Arctic Europe having large white flowers with inflated calyx


small genus of Old World annual herbs: corn spurry


small European weed with whorled leaves and white flowers


chiefly maritime Eurasian herbs: sand spurry; sea spurry


prostrate weedy herb with tiny pink flowers; widespread throughout Europe and Asia on sand dunes and heath and coastal cliffs; naturalized in eastern North America


any of various plants of the genus Stellaria


a common low-growing annual garden weed with small white flowers; cosmopolitan; so-called because it is eaten by chickens


oewn-stitchwort-n oewn-greater_stitchwort-n oewn-starwort-n oewn-Stellaria_holostea-n

low-growing north temperate herb having small white star-shaped flowers; named for its alleged ability to ease sharp pains in the side


oewn-cowherb-n oewn-cow_cockle-n oewn-Vaccaria_hispanica-n oewn-Vaccaria_pyramidata-n oewn-Saponaria_vaccaria-n

European annual with pale rose-colored flowers; cultivated flower or self-sown grainfield weed; introduced in North America; sometimes classified as a soapwort


oewn-Aizoaceae-n oewn-family_Aizoaceae-n oewn-Tetragoniaceae-n oewn-family_Tetragoniaceae-n oewn-carpetweed_family-n

succulent herbs or small shrubs mostly of South Africa but also New Zealand and North America: carpetweeds; fig marigolds


oewn-Hottentot_fig-n oewn-Hottentot-ap-s_fig-n oewn-sour_fig-n oewn-Carpobrotus_edulis-n oewn-Mesembryanthemum_edule-n

low-growing South African succulent plant having a capsular fruit containing edible pulp


a caryophyllaceous genus of Dorotheanthus


low-growing showy succulent annual of South Africa having white or pink or red or orange flowers and spatulate leaves covered in papillae that resemble small crystals


(botany) a tiny outgrowth on the surface of a petal or leaf


genus of stemless South African succulents


oewn-lithops-n oewn-living_stone-n oewn-stoneface-n oewn-stone-face-n oewn-stone_plant-n oewn-stone_life_face-n oewn-flowering_stone-n

any plant of the genus Lithops native to Africa having solitary yellow or white flowers and thick leaves that resemble stones


South African annual or biennial plants having flowers that open only in bright sunlight


any of several South African plants of the genus Mesembryanthemum cultivated for showy pink or white flowers


Old World annual widely naturalized in warm regions having white flowers and fleshy foliage covered with hairs that resemble ice


annual prostrate mat-forming weed having whorled leaves and small greenish-white flowers; widespread throughout North America


highly succulent stemless clump-forming plants with grey-green leaves similar in texture to lumps of granite; South Africa


coarse sprawling Australasian plant with red or yellow flowers; cultivated for its edible young shoots and succulent leaves


large widely distributed genus of chiefly coarse annual herbs


any of various plants of the genus Amaranthus having dense plumes of green or red flowers; often cultivated for food


seed of amaranth plants used as a native cereal in Central and South America


oewn-love-lies-bleeding-n oewn-velvet_flower-n oewn-tassel_flower-n oewn-Amaranthus_caudatus-n

young leaves widely used as leaf vegetables; seeds used as cereal


oewn-prince-ap-s-feather-n oewn-gentleman-ap-s-cane-n oewn-prince-ap-s-plume-n oewn-red_amaranth-n oewn-purple_amaranth-n oewn-Amaranthus_cruentus-n oewn-Amaranthus_hybridus_hypochondriacus-n oewn-Amaranthus_hybridus_erythrostachys-n

tall showy tropical American annual having hairy stems and long spikes of usually red flowers above leaves deeply flushed with purple; seeds often used as cereal


leaves sometimes used as potherbs; seeds used as cereal; southern United States to Central America; India and China


erect annual of tropical central Asia and Africa having a pair of divergent spines at most leaf nodes


genus of low herbs of tropical America and Australia; includes genus Telanthera


prolific South American aquatic weed having grasslike leaves and short spikes of white flowers; clogs waterways with dense floating masses


annual or perennial herbs or vines of tropical and subtropical America and Asia and Africa


weedy annual with spikes of silver-white flowers


oewn-cockscomb-n oewn-common_cockscomb-n oewn-Celosia_cristata-n oewn-Celosia_argentea_cristata-n

garden annual with featherlike spikes of red or yellow flowers


genus of erect or procumbent herbs of the Americas having spikes of woolly white flowers: cottonweed


any of various plants of the genus Froelichia found in sandy soils and on rocky slopes in warmer regions of America; grown for their spikes of woolly white flowers


genus of tropical herbs or subshrubs having flowers in close heads; tropical America and Australia


tropical American herb having rose to red or purple flowers that can be dried without losing color


genus of tropical American herbs or subshrubs


any plant of the genus Iresine having colored foliage


oewn-beefsteak_plant-n oewn-beef_plant-n oewn-Iresine_herbstii-n oewn-Iresine_reticulata-n

South American plant having green to purple or red branches with green to purple ornamental foliage and spikes of insignificant woolly flowers with dry membranous bracts


used in former classifications systems; now included in genus Alternanthera


family coextensive with genus Batis: saltworts


small genus of plants constituting the family Batidaceae: low straggling dioecious shrubs


low-growing strong-smelling coastal shrub of warm parts of the New World having unisexual flowers in conelike spikes and thick succulent leaves


any of various weeds of the genus Chenopodium having small greenish flowers


oewn-lamb-ap-s-quarters-n oewn-pigweed-n oewn-wild_spinach-n oewn-Chenopodium_album-n

common weedy European plant introduced into North America; often used as a potherb


oewn-American_wormseed-n oewn-Mexican_tea-n oewn-Spanish_tea-n oewn-wormseed-n oewn-Chenopodium_ambrosioides-n


oewn-good-king-henry-n oewn-allgood-n oewn-fat_hen-n oewn-wild_spinach-n oewn-Chenopodium_bonus-henricus-n

European plant naturalized in North America; often collected from the wild as a potherb


oewn-Jerusalem_oak-n oewn-feather_geranium-n oewn-Mexican_tea-n oewn-Chenopodium_botrys-n oewn-Atriplex_mexicana-n

Eurasian aromatic oak-leaved goosefoot with many yellow-green flowers; naturalized North America


oewn-strawberry_blite-n oewn-strawberry_pigweed-n oewn-Indian_paint-n oewn-Chenopodium_capitatum-n

European annual with clusters of greenish flowers followed by red pulpy berrylike fruit; naturalized North America


annual European plant with spikes of greenish flowers and leaves that are white and hairy on the underside; common as a weed in North America


European annual with coarsely dentate leaves; widespread in United States and southern Canada


common Eurasian weed; naturalized in United States


European goosefoot with strong-scented foliage; adventive in eastern North America


any of various herbaceous plants of the genus Atriplex that thrive in deserts and salt marshes


any of various shrubby plants of the genus Atriplex that thrive in dry alkaline soil


Asiatic plant resembling spinach often used as a potherb; naturalized in Europe and North America


handsome low saltbush of arid southwestern United States and Mexico having blue-green prickly-edged leaves often used for Christmas decoration


oewn-quail_bush-n oewn-quail_brush-n oewn-white_thistle-n oewn-Atriplex_lentiformis-n

spiny shrub with silvery-scurfy foliage of alkaline plains of southwestern United States and Mexico


oewn-Bassia-n oewn-genus_Bassia-n oewn-Kochia-n oewn-genus_Kochia-n


oewn-summer_cypress-n oewn-burning_bush-n oewn-fire_bush-n oewn-fire-bush-n oewn-belvedere-n oewn-Bassia_scoparia-n oewn-Kochia_scoparia-n

densely branched Eurasian plant; foliage turns purple-red in autumn


biennial Eurasian plant usually having a swollen edible root; widely cultivated as a food crop


beet having a massively swollen red root; widely grown for human consumption


oewn-chard-n oewn-Swiss_chard-n oewn-spinach_beet-n oewn-leaf_beet-n oewn-chard_plant-n oewn-Beta_vulgaris_cicla-n

beet lacking swollen root; grown as a vegetable for its edible leaves and stalks


oewn-mangel-wurzel-n oewn-mangold-wurzel-n oewn-mangold-n oewn-Beta_vulgaris_vulgaris-n

beet with a large yellowish root; grown chiefly as cattle feed


form of the common beet having a sweet white root from which sugar is obtained


a caryophyllaceous genus of the family Chenopodiaceae, containing Cycloloma atriplicifolium, also known as winged pigweed, tumble ringwing, plains tumbleweed, and tumble-weed (Cycloloma)


bushy annual weed of central North America having greenish flowers and winged seeds


a caryophyllaceous genus of the family Chenopodiaceae, its name is derived from the Greek words 'salt' and 'neighbour' (Halogeton)


a coarse annual herb introduced into North America from Siberia; dangerous to sheep and cattle on western rangelands because of its high oxalate content


Algerian plant formerly burned to obtain calcium carbonate


fleshy maritime plant having fleshy stems with rudimentary scalelike leaves and small spikes of minute flowers; formerly used in making glass


chiefly Old World herbs or shrubs: saltworts


oewn-saltwort-n oewn-barilla-n oewn-glasswort-n oewn-kali-n oewn-kelpwort-n oewn-Salsola_kali-n oewn-Salsola_soda-n

bushy plant of Old World salt marshes and sea beaches having prickly leaves; burned to produce a crude soda ash


oewn-Russian_thistle-n oewn-Russian_tumbleweed-n oewn-Russian_cactus-n oewn-tumbleweed-n oewn-Salsola_kali_tenuifolia-n

prickly bushy Eurasian plant; a troublesome weed in central and western United States


low hardy much-branched spiny shrub common in alkaline soils of western America


oewn-spinach-n oewn-spinach_plant-n oewn-prickly-seeded_spinach-n oewn-Spinacia_oleracea-n

southwestern Asian plant widely cultivated for its succulent edible dark green leaves


oewn-Nyctaginaceae-n oewn-family_Nyctaginaceae-n oewn-Allioniaceae-n oewn-family_Allioniaceae-n oewn-four-o-ap-clock_family-n

a family of flowering plants of the order Caryophyllales


a caryophyllaceous genus of the family Nyctaginaceae having only one species


viscid branched perennial of the southwestern United States and northern Mexico having tuberous roots and deep red flowers


genus of western North American herbs having showy flowers


any of various plants of the genus Abronia of western North America and Mexico having flowers resembling verbena


plant having heads of fragrant white trumpet-shaped flowers; grows in sandy arid regions


taller than Abronia elliptica and having night-blooming flowers


plant having hemispherical heads of yellow trumpet-shaped flowers; found in coastal dunes from California to British Columbia


plant having hemispherical heads of wine-red flowers; found in coastal dunes from California to Mexico


prostrate herb having heads of deep pink to white flowers; found in coastal dunes from British Columbia to Baja California


soft-haired sticky plant with heads of bright pink trumpet-shaped flowers; found in sandy desert soil; after ample rains may carpet miles of desert with pink from the southwestern United States to northern Mexico


trailing plant having crowded clusters of 3 brilliant deep pink flowers resembling a single flower blooming near the ground; found in dry gravelly or sandy soil; southwestern United States and Mexico


any of several South American ornamental woody vines of the genus Bougainvillea having brilliant red or purple flower bracts; widely grown in warm regions


Brazilian vine that tends to flower continuously


any of several plants of the genus Mirabilis having flowers that open in late afternoon


oewn-common_four-o-ap-clock-n oewn-marvel-of-Peru-n oewn-Mirabilis_jalapa-n oewn-Mirabilis_uniflora-n

common garden plant of North America having fragrant red or purple or yellow or white flowers that open in late afternoon


California four o'clock with purple-red flowers


leafy wildflower having fragrant slender white or pale pink trumpet-shaped flowers; southwestern United States and northern Mexico


oewn-desert_four_o-ap-clock-n oewn-Colorado_four_o-ap-clock-n oewn-maravilla-n oewn-Mirabilis_multiflora-n

wildflower having vibrant deep pink tubular evening-blooming flowers; found in sandy and desert areas from southern California to southern Colorado and into Mexico


leafy wildflower with lavender-pink flowers that open in the evening and remain through cool part of the next day; found in open woods or brush in mountains of southern Colorado to Arizona and into Mexico


genus of often thorny tropical trees and shrubs and some vines; mainly America


coextensive with the family Cactaceae: cactuses


any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines


mostly trailing cacti having nocturnal white flowers; tropical America and Caribbean region


oewn-pitahaya_cactus-n oewn-pitahaya-n oewn-Acanthocereus_tetragonus-n oewn-Acanthocereus_pentagonus-n

cactus of the southwestern United States and northern Mexico having edible juicy fruit


small genus of epiphytic cacti of Mexico


commonly cultivated tropical American cactus having slender creeping stems and very large showy crimson flowers that bloom for several days


slow-growing geophytic cacti; northern and eastern Mexico; southern Texas


usually unbranched usually spineless cactus covered with warty tubercles and having magenta flowers and white or green fruit; resembles the related mescal; northeastern Mexico and southwestern United States


caryophylloid dicot genus with only one species: saguaro


extremely large treelike cactus of desert regions of southwestern United States having a thick columnar sparsely branched trunk bearing white flowers and edible red pulpy fruit


genus of much-branched treelike or shrubby cacti with pronounced ribs and rounded needlelike spines and nocturnal flowers usually white


any of several cacti of the genus Cereus


mainly globose cacti of southwestern United States and Mexico covered with many nodules; superficially resembling and formerly included in genus Mammillaria


globular or cylindrical cacti; southwestern United States to Brazil


any cactus of the genus Echinocactus; strongly ribbed and very spiny; southwestern United States to Brazil


cactus of the genus Echinocactus having stout sharp spines


large cactus of east central Mexico having golden to pale yellow flowers and spines


large genus of low-growing shrubby ribbed cacti of Mexico and southwestern United States


a stout cylindrical cactus of the southwest United States and adjacent Mexico


small genus of tropical American (mainly Central America) cacti


any cactus of the genus Epiphyllum having flattened jointed irregularly branching stems and showy tubular flowers


genus of nearly globular cacti of Mexico and southwestern United States: barrel cacti


a cactus of the genus Ferocactus: unbranched barrel-shaped cactus having deep ribs with numerous spines and usually large funnel-shaped flowers followed by dry fruits


large genus of low-growing globular South American cacti with spiny ribs covered with many tubercles


genus of slender often treelike spiny cacti with solitary showy nocturnal white or pink flowers; Florida and Caribbean to South America


small genus of South American epiphytic or lithophytic cacti


spring-blooming South American cactus with oblong joints and coral-red flowers; sometimes placed in genus Schlumbergera


genus of climbing or epiphytic tropical American cacti with angular stems and mostly white very fragrant flowers


any of several cacti of the genus Hylocereus


tropical American cacti usually tall and branching with stout spines and funnel-shaped flowers and globular or ovoid often edible fruit


tall treelike Mexican cactus with edible red fruit


two species of small cacti of northeastern Mexico and southwestern United States having rounded stems covered with jointed tubercles: mescal


oewn-mescal-n oewn-mezcal-n oewn-peyote-n oewn-Lophophora_williamsii-n

a small spineless globe-shaped cactus; source of mescal buttons


the button-shaped top of the mescal cactus; a source of psilocybin


large genus of cacti characterized chiefly by nipple-shaped protuberances or tubercles on their surface


a low tuberculate cactus with white feathery spines; northeastern Mexico


genus of strongly ribbed globose or spheroid cacti of tropical South and Central America and the Caribbean


small genus of arborescent cacti of Mexico and Central America


arborescent cactus of western Mexico bearing a small oblong edible berrylike fruit


low-growing cacti of the Great Plains of North America


small clustering cactus of southwestern United States; a threatened species


a genus of the cactus family with scarlet flowers


any of several cacti of the genus Nopalea resembling prickly pears


large genus of cactuses native to America: prickly pears


cacti having spiny flat joints and oval fruit that is edible in some species; often used as food for stock


arborescent cacti having very spiny cylindrical stem segments; southwestern United States and Mexico


cactus having yellow flowers and purple fruits


tropical American prickly pear of Jamaica


oewn-Pereskia-n oewn-genus_Pereskia-n oewn-Peireskia-n oewn-genus_Peireskia-n

genus of tropical American shrubby trees and woody climbers having slender branches with broad flat leaves and large panicles of flowers


West Indian woody climber with spiny stems and numerous fragrant white flowers in panicles followed by small yellow to orange fruits


large genus of epiphytic or lithophytic unarmed cacti with usually segmented stems and pendulous branches; flowers are small followed by berrylike fruits


South American epiphytic or lithophytic cacti


epiphytic cactus of Brazilian ancestry widely cultivated as a houseplant having jointed flat segments and usually rose-purple flowers that bloom in winter


mostly epiphytic climbing cacti that bloom at night


any of several night-blooming cacti of the genus Selenicereus


tropical American climbing cactus having triangular branches; often cultivated for its large showy night-blooming flowers followed by yellow red-streaked fruits


small genus of Brazilian cacti having flat fleshy usually branched joints and showy red or pink flowers followed by red fleshy fruits


oewn-crab_cactus-n oewn-Thanksgiving_cactus-n oewn-Zygocactus_truncatus-n oewn-Schlumbergera_truncatus-n

South American jointed cactus with usually red flowers; often cultivated as a houseplant; sometimes classified as genus Schlumbergera


chiefly tropical herbaceous plants (including shrubs and trees) with racemose flowers: genera Phytolacca, Agdestis, Ercilla, Rivina, Trichostigma


oewn-poke-n oewn-pigeon_berry-n oewn-garget-n oewn-scoke-n oewn-Phytolacca_americana-n

tall coarse perennial American herb having small white flowers followed by blackish-red berries on long drooping racemes; young fleshy stems are edible; berries and root are poisonous


fast-growing herbaceous evergreen tree of South America having a broad trunk with high water content and dark green oval leaves


a genus with one species that is a rapidly growing climbing vine with tuberous roots; grown in hot climates


small genus of erect perennial shrubby herbs; tropical and subtropical America


oewn-bloodberry-n oewn-blood_berry-n oewn-rougeberry-n oewn-rouge_plant-n oewn-Rivina_humilis-n

bushy houseplant having white to pale pink flowers followed by racemes of scarlet berries; tropical Americas


a genus of erect or climbing shrubs found in tropical South America


family of usually succulent herbs; cosmopolitan in distribution especially in Americas


a plant of the family Portulacaceae having fleshy succulent obovate leaves often grown as a potherb or salad herb; a weed in some areas


genus of mainly tropical fleshy or trailing herbs


a plant of the genus Portulaca having pink or red or purple or white ephemeral flowers


widely cultivated in many varieties for its fleshy moss-like foliage and profusion of brightly colored flowers


oewn-common_purslane-n oewn-pussley-n oewn-pussly-n oewn-verdolagas-n oewn-Portulaca_oleracea-n

weedy trailing mat-forming herb with bright yellow flowers cultivated for its edible mildly acid leaves eaten raw or cooked especially in Indian and Greek and Middle Eastern cuisine; cosmopolitan


large genus of low-growing herbs; widespread throughout tropical and warm temperate regions having usually basal leaves and panicles of purplish ephemeral flowers


succulent carpet-forming plant having small brilliant reddish-pink flowers; southwestern United States


genus of mainly North American succulent herbs with white or pink flowers usually in terminal racemes


similar to Claytonia virginica but having usually pink flowers; eastern North America


small slender plant having one pair of succulent leaves at the middle of the stem and a loose raceme of white or pink or rose bowl-shaped flowers and an edible corm


small cormous perennial grown for its low rosette of succulent foliage and racemes of pink-tinged white flowers; eastern North America


genus of western North American low-growing herbs having linear woolly leaves and large pink flowers


evergreen perennial having a dense basal rosette of long spatula-shaped leaves and panicles of pink or white-and-red-striped or pink-purple flowers; found on cliffs and in rock crevices in mountains of southwestern Oregon and northern California


showy succulent ground-hugging plant of Rocky Mountains regions having deep to pale pink flowers and fleshy farinaceous roots; the Montana state flower


small genus of densely tufted annual herbs; north temperate regions and South America and tropical Africa and Asia


a plant of the genus Montia having edible pleasant-tasting leaves


succulent plant with mostly basal leaves; stem bears 1 pair of broadly ovate or heart-shaped leaves and a loose raceme of 3-10 white flowers; western North America


oewn-blinks-n oewn-blinking_chickweed-n oewn-water_chickweed-n oewn-Montia_lamprosperma-n

small Indian lettuce of northern regions


a floating or creeping Indian lettuce having terminal racemes of pale rose flowers; wet areas at high elevations of western North America


oewn-winter_purslane-n oewn-miner-ap-s_lettuce-n oewn-Cuban_spinach-n oewn-Montia_perfoliata-n

succulent herb sometimes grown as a salad or pot herb; grows on dunes and waste ground of Pacific coast of North America


small genus of usually perennial herbs having deep woody taproots and flower heads of umbels or cymes


oewn-pussy-paw-n oewn-pussy-paws-n oewn-pussy-ap-s-paw-n oewn-Spraguea_umbellatum-n oewn-Calyptridium_umbellatum-n

pink clusters of densely packed flowers on prostrate stems resemble upturned pads of cats' feet; grow in coniferous forests of western North America


genus of mainly American more-or-less succulent herbs


oewn-flame_flower-n oewn-flame-flower-n oewn-flameflower-n oewn-Talinum_aurantiacum-n

plant with fleshy roots and erect stems with narrow succulent leaves and one reddish-orange flower in each upper leaf axil; southwestern United States; Indians once cooked the fleshy roots


similar to Talinum aurantiacum but with narrower leaves and yellow-orange flowers; southwestern United States


low plant with crowded narrow succulent leaves and fairly large deep pink axillary flowers that seem to sit on the ground; southwestern United States


pink-flowered perennial of rocky regions of western United States


erect plant with tuberous roots and terminal panicles of red to yellow flowers; southwestern North America to Central America; widely introduced elsewhere


low cushion-forming plant with rose to crimson-magenta flowers and leaf midribs that persist as spines when the leaves die; southwestern United States


oewn-Rhoeadales-n oewn-order_Rhoeadales-n oewn-Papaverales-n oewn-order_Papaverales-n

an order of dicotyledonous plants, containing the families Capparidaceae, Cruciferae, Moringaceae, Papaveraceae, Resedaceae, and Tovariaceae (Rhoeadales, Papaverales)


a dilleniid dicot family of the order Rhoeadales that includes: genera Capparis, Cleome, Crateva, and Polanisia


tropical or subtropical evergreen shrubs or small trees


any of numerous plants of the genus Capparis


small Australian tree bearing edible fruit resembling the pomegranate


shrub of southern Florida to West Indies


shrub or small tree of southern Florida to Central and South America


small Australian tree bearing edible dark purple fruit


prostrate spiny shrub of the Mediterranean region cultivated for its greenish flower buds which are pickled


tropical and subtropical annual or perennial herbs or low shrubs


any of various often strong-smelling plants of the genus Cleome having showy spider-shaped flowers


native to South America but naturalized in warm parts of United States; grown for its long-lasting spider-shaped white to pink-purple flowers


plant of western North America having trifoliate leaves and white or pink spider-shaped flowers; sometimes used as an ornamental


widely distributed herbs having palmate leaves and creamy white to or pink to magenta flowers with many stamens of unequal length


strong-scented herb common in southern United States covered with intermixed gland and hairs


oewn-Cruciferae-n oewn-family_Cruciferae-n oewn-Brassicaceae-n oewn-family_Brassicaceae-n oewn-mustard_family-n

a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives


any of various plants of the family Cruciferae


any of various plants of the family Cruciferae with edible leaves that have a pungent taste


Old World genus of the family Cruciferae


any Old World herb of the genus Aethionema; native of sunny limestone habitats


a genus of herbs of the family Cruciferae; have broad leaves and white flowers and long siliques


oewn-garlic_mustard-n oewn-hedge_garlic-n oewn-sauce-alone-n oewn-jack-by-the-hedge-n oewn-Alliaria_officinalis-n


a genus of the family Cruciferae, containing annual and perennial herbaceous plants or small shrubs, growing to 10-100 cm tall, with oblong-oval leaves and yellow or white flowers (Alyssum)


any garden plant of the genus Alyssum having clusters of small yellow or white flowers


one species: rose of Jericho; resurrection plant


small grey Asiatic desert plant bearing minute white flowers that rolls up when dry and expands when moist


a genus of the mustard family having white or yellow or purplish flowers; closely related to genus Arabis


a small invasive self-pollinating weed with small white flowers; much studied by plant geneticists; the first higher plant whose complete genome sequence was described


a small noninvasive cross-pollinating plant with white flowers; closely related to Arabidopsis thaliana


annual to perennial woody herbs of temperate North America, Europe and Asia: rockcress


any of several rock-loving cresses of the genus Arabis


North American rock cress having very long curved pods


European cress having stiff erect stems; sometimes placed in genus Turritis


oewn-tower_mustard-n oewn-tower_cress-n oewn-Turritis_glabra-n oewn-Arabis_glabra-n

or genus Arabis: erect cress widely distributed throughout Europe


oewn-horseradish-n oewn-horse_radish-n oewn-red_cole-n oewn-Armoracia_rusticana-n

coarse Eurasian plant cultivated for its thick white pungent root


the root of the horseradish plant; it is grated or ground and used for seasoning


biennial or perennial herbs of north temperate regions: winter cress


any plant of the genus Barbarea: yellow-flowered Eurasian cresses; widely cultivated for winter salad


oewn-Belle_Isle_cress-n oewn-early_winter_cress-n oewn-land_cress-n oewn-American_cress-n oewn-American_watercress-n oewn-Barbarea_verna-n oewn-Barbarea_praecox-n

of southwestern Europe; cultivated in Florida


oewn-yellow_rocket-n oewn-rockcress-n oewn-rocket_cress-n oewn-Barbarea_vulgaris-n oewn-Sisymbrium_barbarea-n

noxious cress with yellow flowers; sometimes placed in genus Sisymbrium


tall European annual with downy grey-green foliage and dense heads of small white flowers followed by hairy pods; naturalized in North America; sometimes a troublesome weed


genus of Eurasian herbs and small shrubs: buckler mustard


plant of southeastern Europe having yellow flowers like those of mustard and pods with open valves resembling bucklers


mustards: cabbages, cauliflowers, turnips, etc.


wild original of cultivated cabbages; common in western coastal Europe


any of various cultivars of the genus Brassica oleracea grown for their edible leaves or flowers


any of various cultivated cabbage plants having a short thick stalk and large compact head of edible usually green leaves


cabbage plant with a compact head of crinkled leaves


cabbage plant with a compact head of reddish purple leaves


plant grown for its stout stalks of edible small green heads resembling diminutive cabbages


a plant having a large edible head of crowded white flower buds


plant with dense clusters of tight green flower buds


oewn-kale-n oewn-kail-n oewn-cole-n oewn-borecole-n oewn-colewort-n oewn-Brassica_oleracea_acephala-n

a hardy cabbage with coarse curly leaves that do not form a head


plant cultivated for its enlarged fleshy turnip-shaped edible stem


any of several widely cultivated plants having edible roots


widely cultivated plant having a large fleshy edible white or yellow root


oewn-rutabaga-n oewn-turnip_cabbage-n oewn-swede-n oewn-Swedish_turnip-n oewn-rutabaga_plant-n oewn-Brassica_napus_napobrassica-n

a cruciferous plant with a thick bulbous edible yellow root


plant grown for its pungent edible leafy shoots


any of several cruciferous plants of the genus Brassica


oil obtained from mustard seeds and used in making soap


oewn-chinese_mustard-n oewn-indian_mustard-n oewn-leaf_mustard-n oewn-gai_choi-n oewn-Brassica_juncea-n


oewn-Chinese_cabbage-n oewn-celery_cabbage-n oewn-napa-n oewn-pe-tsai-n oewn-Brassica_rapa_pekinensis-n

plant with an elongated head of broad stalked leaves resembling celery; used as a vegetable in east Asia


oewn-bok_choy-n oewn-bok_choi-n oewn-pakchoi-n oewn-pak_choi-n oewn-Chinese_white_cabbage-n oewn-Brassica_rapa_chinensis-n

Asiatic plant grown for its cluster of edible white stalks with dark green leaves


oewn-tendergreen-n oewn-spinach_mustard-n oewn-Brassica_perviridis-n oewn-Brassica_rapa_perviridis-n

Asiatic plant cultivated for its swollen root crown and edible foliage


widespread Eurasian annual plant cultivated for its pungent seeds; a principal source of table mustard


Eurasian plant cultivated for its seed and as a forage crop


seed of rape plants; source of an edible oil


edible light yellow to brown oil from rapeseed used also as a lubricant or illuminant


small genus of succulent annual herbs found on sandy shores of North America and Europe


salt-tolerant seashore annual grown for its fragrant rose or violet flowers and fleshy grey-green foliage


annual and biennial herbs of Mediterranean to central Asia


annual European false flax having small white flowers; cultivated since Neolithic times as a source of fiber and for its oil-rich seeds; widely naturalized in North America


white-flowered annual European herb bearing triangular notched pods; nearly cosmopolitan as an introduced weed


usually included in genus Cardamine; in some classifications considered a separate genus


any of various herbs of the genus Cardamine, having usually pinnate leaves and racemes of white, pink or purple flowers; cosmopolitan except Antarctic


oewn-lady-ap-s_smock-n oewn-cuckooflower-n oewn-cuckoo_flower-n oewn-meadow_cress-n oewn-Cardamine_pratensis-n


oewn-coral-root_bittercress-n oewn-coralroot-n oewn-coralwort-n oewn-Cardamine_bulbifera-n oewn-Dentaria_bulbifera-n

European bittercress having a knotted white rootstock


oewn-crinkleroot-n oewn-crinkle-root-n oewn-crinkle_root-n oewn-pepper_root-n oewn-toothwort-n oewn-Cardamine_diphylla-n oewn-Dentaria_diphylla-n

North American herb with pungent scaly or toothed roots


mat-forming perennial found in cold springs of the eastern United States


small white-flowered cress common in wet places in eastern North America


small perennial herb of cooler regions of North America with racemose purple flowers


Old World perennial plants grown for their showy flowers


perennial of southern Europe having clusters of fragrant flowers of all colors especially yellow and orange; often naturalized on old walls or cliffs; sometimes placed in genus Erysimum


any of several western American plants of the genus Cheiranthus having large yellow flowers


a genus of the family Cruciferae, commonly known as scurvy-grass (Cochlearia)


a widely distributed Arctic cress reputed to have value in treatment or prevention of scurvy; a concentrated source of vitamin C


annual or perennial herbs with large leaves that resemble the leaves of cabbages


perennial of coastal sands and shingles of northern Europe and Baltic and Black Seas having racemes of small white flowers and large fleshy blue-green leaves often used as potherbs


includes annual or biennial herbs of America and Europe very similar to and often included among those of genera Sisymbrium or Hugueninia; not recognized in some classification systems


North American herb with bitter-tasting pinnate leaves resembling those of tansy


yellow-flowered European plant that grows on old walls and in waste places; an adventive weed in North America


from Mediterranean region; a naturalized weed throughout southern Europe


large genus of low tufted herbs of temperate and Arctic regions


any of numerous low-growing cushion-forming plants of the genus Draba having rosette-forming leaves and terminal racemes of small flowers with scapose or leafy stems; fruit is a dehiscent oblong or linear silique


oewn-whitlow_grass-n oewn-shadflower-n oewn-shad-flower-n oewn-Draba_verna-n

annual weed of Europe and North America having a rosette of basal leaves and tiny flowers followed by oblong seed capsules


annual to perennial herbs of the Mediterranean region


oewn-rocket-n oewn-roquette-n oewn-garden_rocket-n oewn-rocket_salad-n oewn-arugula-n oewn-Eruca_sativa-n oewn-Eruca_vesicaria_sativa-n

erect European annual often grown as a salad crop to be harvested when young and tender


large genus of annual or perennial herbs some grown for their flowers and some for their attractive evergreen leaves; Old World and North America


any of numerous plants of the genus Erysimum having fragrant yellow or orange or brownish flowers


any of several North American plants of the genus Erysimum having large yellow flowers


showy erect biennial or short-lived perennial cultivated for its terminal racemes of orange-yellow flowers; sometimes placed in genus Cheiranthus


oewn-western_wall_flower-n oewn-Erysimum_asperum-n oewn-Cheiranthus_asperus-n oewn-Erysimum_arkansanum-n

biennial or short-lived perennial prairie rocket having orange-yellow flowers; western North America to Minnesota and Kansas; sometimes placed in genus Cheiranthus


slender yellow-flowered European mustard often troublesome as a weed; formerly used as an anthelmintic


genus of South African flowering herbs and subshrubs


any of various South African herbs and subshrubs cultivated for long showy racemes of bright blue flowers with white eyes


biennial or perennial erect herbs having nocturnally fragrant flowers


oewn-damask_violet-n oewn-Dame-ap-s_violet-n oewn-sweet_rocket-n oewn-Hesperis_matronalis-n

long cultivated herb having flowers whose scent is more pronounced in the evening; naturalized throughout Europe to Siberia and into North America


perennial stellate and hairy herb with small yellow flowers of mountains of southern Europe; sometimes placed in genus Sisymbrium


any of various flowering plants of the genus Iberis cultivated for their showy clusters of white to red or purple flowers; native to Mediterranean region


Old World genus of annual to perennial herbs: woad


any of several herbs of the genus Isatis


European biennial formerly grown for the blue coloring matter yielded by its leaves


cosmopolitan genus of annual and biennial and perennial herbs: cress


oewn-common_garden_cress-n oewn-garden_pepper_cress-n oewn-pepper_grass-n oewn-pepperwort-n oewn-Lepidium_sativum-n

annual herb used as salad green and garnish


genus of low-growing hairy herbs: bladderpods


any of several hairy North American herbs having yellow racemose flowers and inflated pods


perennial European plant having clusters of small fragrant usually white flowers; widely grown in gardens


oewn-honesty-n oewn-silver_dollar-n oewn-money_plant-n oewn-satin_flower-n oewn-satinpod-n oewn-Lunaria_annua-n

southeastern European plant cultivated for its fragrant purplish flowers and round flat papery silver-white seedpods that are used for indoor decoration


genus of plants usually found in coastal habitats; Mediterranean to Afghanistan


any of various ornamental flowering plants of the genus Malcolmia


erect branching herb cultivated for its loose racemes of fragrant white or pink or red or lilac flowers; native to sands and sea cliffs of southwestern Greece and southern Albania


genus of Old World plants grown as ornamentals


any of several Old World plants cultivated for their brightly colored flowers


European plant with racemes of sweet-scented flowers; widely cultivated as an ornamental


a genus of seven plant species in the family Brassicaceae (Nasturtium)


perennial Eurasian cress growing chiefly in springs or running water having fleshy pungent leaves used in salads or as a potherb or garnish; introduced in North America and elsewhere


small genus of western North American herbs similar to Lesquerella: bladderpods


any of several plants of the genus Physaria having racemose yellow flowers and inflated pods


small tufted perennial herb of mountains of central and southern Europe having very small flowers of usually leafless stems; sometimes placed in genus Lepidium


a cruciferous plant of the genus Raphanus having a pungent edible root


oewn-jointed_charlock-n oewn-wild_radish-n oewn-wild_rape-n oewn-runch-n oewn-Raphanus_raphanistrum-n

Eurasian weed having yellow or mauve or white flowers and podlike fruits


Eurasian plant widely cultivated for its edible pungent root usually eaten raw


pungent edible root of any of various cultivated radish plants


oewn-radish-n oewn-daikon-n oewn-Japanese_radish-n oewn-Raphanus_sativus_longipinnatus-n

radish of Japan with a long hard durable root eaten raw or cooked


annual and perennial herbs of damp habitats; cosmopolitan except Antarctica


annual or biennial cress growing in damp places sometimes used in salads or as a potherb; troublesome weed in some localities


perennial herb found on streams and riversides throughout Europe except extreme north and Mediterranean; sometimes placed in genus Nasturtium


small genus of South American herbs grown for its flowers


a dainty South American annual having deeply pinnatifid leaves and racemes of fringed almond-scented purple-white flowers


small genus of Old World herbs usually included in genus Brassica


Eurasian mustard cultivated for its pungent seeds; a source of table mustard and mustard oil


oewn-field_mustard-n oewn-wild_mustard-n oewn-charlock-n oewn-chadlock-n oewn-Brassica_kaber-n oewn-Sinapis_arvensis-n

weedy Eurasian plant often a pest in grain fields


genus of Old World annual or biennial or perennial herbs with racemose flowers; many are considered to be weeds


stiffly branching Old World annual with pale yellow flowers; widely naturalized in North America; formerly used medicinally


oewn-desert_plume-n oewn-prince-ap-s-plume-n oewn-Stanleya_pinnata-n oewn-Cleome_pinnata-n

perennial of southwestern United States having leathery blue-green pinnatifid leaves and thick plumelike spikes of yellow flowers; sometimes placed in genus Cleome


a small plant of Oregon resembling mustard; a threatened species


small genus of herbs of north temperate regions and mountains of tropical Africa


small aquatic plant having tufted awl-shaped leaves in a basal rosette and minute white flowers; circumboreal


any of several plants of the genus Thlaspi


oewn-field_pennycress-n oewn-French_weed-n oewn-fanweed-n oewn-penny_grass-n oewn-stinkweed-n oewn-mithridate_mustard-n oewn-Thlaspi_arvense-n

foetid Eurasian weed having round flat pods; naturalized throughout North America


small genus of herbs of upland regions of the Pacific coast of North America


annual herb having pinnatifid basal leaves and slender racemes of small white flowers followed by one-seeded winged silicles


closely related to and often included in genus Arabis


small genus of chiefly Mediterranean herbs: bladderpods


annual or perennial herbs with inflated seed pods; some placed in genus Lesquerella


a Japanese plant of the family Cruciferae with a thick green root


herbs or shrubs having milky and often colored juices and capsular fruits


annual or biennial or perennial herbs having showy flowers


type genus of the Papaveraceae; chiefly bristly hairy herbs with usually showy flowers


Old World alpine poppy with white or yellow to orange flowers


showy annual of California with red flowers


annual Old World poppy with orange-red flowers and bristly fruit


subarctic perennial poppy of both hemispheres having fragrant white or yellow to orange or peach flowers


commonly cultivated Asiatic perennial poppy having stiff heavily haired leaves and bright scarlet or pink to orange flowers


oewn-corn_poppy-n oewn-field_poppy-n oewn-Flanders_poppy-n oewn-Papaver_rhoeas-n

annual European poppy common in grain fields and often cultivated


southwestern Asian herb with greyish leaves and white or reddish flowers; source of opium


oewn-prickly_poppy-n oewn-argemone-n oewn-white_thistle-n oewn-devil-ap-s_fig-n

any plant of the genus Argemone having large white or yellow flowers and prickly leaves and stems and pods; chiefly of tropical America


annual herb with prickly stems and large yellow flowers; southern United States to West Indies and Mexico


tropical American trees or shrubs closely related to genus Macleaya


small Central American tree having loose racemes of purple-tinted green flowers


oewn-celandine-n oewn-greater_celandine-n oewn-swallowwort-n oewn-swallow_wort-n oewn-Chelidonium_majus-n

perennial herb with branched woody stock and bright yellow flowers


annual or perennial herbs of Himalayan China and South Africa


a plant of the genus Corydalis with beautiful compound foliage and spurred tubular flowers


annual vine with decompound leaves and racemes of yellow and pink flowers


oewn-Roman_wormwood-n oewn-rock_harlequin-n oewn-Corydalis_sempervirens-n oewn-Fumaria_sempervirens-n

glaucous herb of northeastern United States and Canada having loose racemes of yellow-tipped pink flowers; sometimes placed in genus Fumaria


herb of northern Europe and Asia having erect racemes of red flowers


evergreen shrub of southwestern United States and Mexico often cultivated for its fragrant golden yellow flowers


of Pacific coast of North America; widely cultivated for its yellow to red flowers


herbs of Europe and North Africa and Asia: horned poppy


oewn-horn_poppy-n oewn-horned_poppy-n oewn-yellow_horned_poppy-n oewn-sea_poppy-n oewn-Glaucium_flavum-n

yellow-flowered Eurasian glaucous herb naturalized in along sandy shores in eastern North America


native of Mexican highlands grown for its glossy clear yellow flowers and blue-grey finely dissected foliage


a perennial herb of eastern Asia: plume poppy


herb of China and Japan widely cultivated for its plumelike panicles of creamy white flowers


herbs almost entirely of mountains of China and Tibet; often monocarpic


Chinese perennial having mauve-pink to bright sky blue flowers in drooping cymes


widely cultivated west European plant with showy pale yellow flowers


California plant with small pale yellow flowers


tall branching subshrub of California and Mexico often cultivated for its silvery-blue foliage and large fragrant white flowers


oewn-bloodroot-n oewn-puccoon-n oewn-redroot-n oewn-tetterwort-n oewn-Sanguinaria_canadensis-n

perennial woodland native of North America having a red root and red sap and bearing a solitary lobed leaf and white flower in early spring and having acrid emetic properties; rootstock used as a stimulant and expectorant


oewn-wind_poppy-n oewn-flaming_poppy-n oewn-Stylomecon_heterophyllum-n oewn-Papaver_heterophyllum-n

California wild poppy with bright red flowers


perennial herb native to woodland of the eastern United States having yellow flowers


erect or climbing herbs of the Northern Hemisphere and southern Africa: bleeding heart, Dutchman's breeches, fumitory, squirrel corn


annual herbs whose flowers have only one petal spurred at the base


oewn-fumitory-n oewn-fumewort-n oewn-fumeroot-n oewn-Fumaria_officinalis-n

delicate European herb with greyish leaves and spikes of purplish flowers; formerly used medicinally


oewn-climbing_fumitory-n oewn-Allegheny_vine-n oewn-Adlumia_fungosa-n oewn-Fumaria_fungosa-n

vine with feathery leaves and white or pinkish flowers; sometimes placed in genus Fumaria


North American and Asian herbs with divided leaves and irregular flowers


oewn-bleeding_heart-n oewn-lyreflower-n oewn-lyre-flower-n oewn-Dicentra_spectabilis-n

garden plant having deep-pink drooping heart-shaped flowers


delicate spring-flowering plant of the eastern United States having white flowers with double spurs


American plant with cream-colored flowers and tuberous roots resembling kernels of corn


a group of mostly sympetalous herbs and some trees and shrubs mostly with 2 fused carpels; contains 43 families including Campanulales, Solanaceae, Scrophulariaceae, Labiatae, Verbenaceae, Rubiaceae, Compositae; sometimes classified as a superorder


an order of plants of the subclass Asteridae including: Campanulaceae, Lobeliaceae, Cucurbitaceae, Goodeniaceae, Compositae


oewn-Compositae-n oewn-family_Compositae-n oewn-Asteraceae-n oewn-family_Asteraceae-n oewn-aster_family-n

plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia


considered the most highly evolved dicotyledonous plants, characterized by florets arranged in dense heads that resemble single flowers


any of several plants having leaves so arranged on the axis as to indicate the cardinal points of the compass


any of various plants of various genera of the family Compositae having flowers that can be dried without loss of form or color


perennial often aromatic and sometimes mat-forming herbs of north temperate regions: yarrow; milfoil


any of several plants of the genus Achillea native to Europe and having small white flowers in flat-topped flower heads


ubiquitous strong-scented mat-forming Eurasian herb of wasteland, hedgerow or pasture having narrow serrate leaves and small usually white florets; widely naturalized in North America


Eurasian herb having loose heads of button-shaped white flowers and long grey-green leaves that cause sneezing when powdered


genus of herbs and shrubs of Australia and South Africa: everlasting flower; most species usually placed in genus Helipterum


flower of southwestern Australia having bright pink daisylike papery flowers; grown for drying


annual to perennial herbs or shrubs of eastern United States and Central and South America


oewn-white_snakeroot-n oewn-white_sanicle-n oewn-Ageratina_altissima-n oewn-Eupatorium_rugosum-n

American herb having flat-topped clusters of small white flower heads; reputedly a cause of trembles and milk sickness; sometimes placed in genus Eupatorium


genus of tropical American herbs grown for their flowers


any plant of the genus Ageratum having opposite leaves and small heads of blue or white flowers


small tender herb grown for its fluffy brushlike blue to lavender blooms


herbs of Mediterranean to central Asia cultivated for their flowers


Asian plant widely grown for its sweetly fragrant pink flowers; sometimes placed in genus Centaurea


comprising the ragweeds; in some classification considered the type genus of a separate family Ambrosiaceae


in some classifications considered a separate family comprising a subgroup of the Compositae including the ragweeds


any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma


annual weed with finely divided foliage and spikes of green flowers; common in North America; introduced elsewhere accidentally


a coarse annual with some leaves deeply and palmately three-cleft or five-cleft


coarse perennial ragweed with creeping roots of dry barren lands of southwestern United States and Mexico


small genus of Australian herbs grown for their flowers


any plant of the genus Ammobium having yellow flowers and silvery foliage


Australian plant widely cultivated for its beautiful silvery-white blooms with bright yellow centers on long winged stems


a small Mediterranean plant containing a volatile oil once used to relieve toothache


a genus of herbs of north temperate regions having hoary leaves: pearly everlasting


an American everlasting having foliage with soft wooly hairs and corymbose heads with pearly white bracts


a genus of hardy hairy latex-producing perennials of Mediterranean area


any plant of the genus Andryala having milky sap and heads of bright yellow flowers


small woolly perennial herbs having small whitish discoid flowers surrounded by a ring of club-shaped bristles


North American perennial propagated by means of runners


oewn-cat-ap-s_foot-n oewn-cat-ap-s_feet-n oewn-pussytoes-n oewn-Antennaria_dioica-n

low-growing perennial herb having leaves with whitish down and clusters of small white flowers


oewn-mayweed-n oewn-dog_fennel-n oewn-stinking_mayweed-n oewn-stinking_chamomile-n oewn-Anthemis_cotula-n

widespread rank-smelling weed having white-rayed flower heads with yellow discs


oewn-yellow_chamomile-n oewn-golden_marguerite-n oewn-dyers-ap-_chamomile-n oewn-Anthemis_tinctoria-n

Eurasian perennial herb with hairy divided leaves and yellow flowers; naturalized in North America


oewn-corn_chamomile-n oewn-field_chamomile-n oewn-corn_mayweed-n oewn-Anthemis_arvensis-n

European white-flowered weed naturalized in North America


small genus of North American herbs often included in genus Eriophyllum


oewn-woolly_daisy-n oewn-dwarf_daisy-n oewn-Antheropeas_wallacei-n oewn-Eriophyllum_wallacei-n

tiny grey woolly tufted annual with small golden-yellow flower heads; southeastern California to northwestern Arizona and southwestern Utah; sometimes placed in genus Eriophyllum


any of several erect biennial herbs of temperate Eurasia having stout taproots and producing burs


a plant that is ubiquitous in all but very acid soil; found in most of Europe and North Africa


oewn-great_burdock-n oewn-greater_burdock-n oewn-cocklebur-n oewn-Arctium_lappa-n

burdock having heart-shaped leaves found in open woodland, hedgerows and rough grassland of Europe (except extreme N) and Asia Minor; sometimes cultivated for medicinal and culinary use


any of several plants of the genus Arctotis having daisylike flowers


bushy perennial of South Africa with white or violet flowers; in its native region often clothes entire valley sides in a sheet of color


comprises plants often included in the genus Chrysanthemum, endemic to Macaronesia (Argyranthemum)


oewn-marguerite-n oewn-marguerite_daisy-n oewn-Paris_daisy-n oewn-Chrysanthemum_frutescens-n oewn-Argyranthemum_frutescens-n

perennial subshrub of the Canary Islands having usually pale yellow daisylike flowers; often included in genus Chrysanthemum


small genus of Hawaiian spreading and rosette-forming shrubs


low-growing plant found only in volcanic craters on Hawaii having rosettes of narrow pointed silver-green leaves and clusters of profuse red-purple flowers on a tall stem


large genus of herbs of north temperate and Arctic regions


any of various rhizomatous usually perennial plants of the genus Arnica


wildflower with heart-shaped leaves and broad yellow flower heads; of alpine areas west of the Rockies from Alaska to southern California


herb of pasture and open woodland throughout most of Europe and western Asia having orange-yellow daisylike flower heads that when dried are used as a stimulant and to treat bruises and swellings


small European herb with small yellow flowers


usually aromatic shrubs or herbs of north temperate regions and South Africa and western South America: wormwood, sagebrush, mugwort, tarragon


any of various composite shrubs or herbs of the genus Artemisia having aromatic green or greyish foliage


any of several low composite herbs of the genera Artemisia or Seriphidium


any of several weedy composite plants of the genus Artemisia


any of several North American composite subshrubs of the genera Artemis or Seriphidium


shrubby European wormwood naturalized in North America; sometimes used in brewing beer


oewn-common_wormwood-n oewn-absinthe-n oewn-old_man-n oewn-lad-ap-s_love-n oewn-Artemisia_absinthium-n

aromatic herb of temperate Eurasia and North Africa having a bitter taste used in making the liqueur absinthe


European wormwood similar to common wormwood in its properties


aromatic perennial of southeastern Russia


silver-haired shrub of central and southern United States and Mexico; a troublesome weed on rangelands


silky-leaved aromatic perennial of dry northern parts of the Northern Hemisphere; has tawny florets


oewn-western_mugwort-n oewn-white_sage-n oewn-cudweed-n oewn-prairie_sage-n oewn-Artemisia_ludoviciana-n oewn-Artemisia_gnaphalodes-n

perennial cottony-white herb of southwestern United States


European wormwood; minor source of absinthe


a perennial that is valuable as sheep forage in the United States


oewn-dusty_miller-n oewn-beach_wormwood-n oewn-old_woman-n oewn-Artemisia_stelleriana-n

herb with greyish leaves found along the east coast of North America; used as an ornamental plant


European tufted aromatic perennial herb having hairy red or purple stems and dark green leaves downy white below and red-brown florets


large genus of herbs widely cultivated for their daisylike flowers


any of various chiefly fall-blooming herbs of the genus Aster with showy daisylike flowers


any of several asters of eastern North America usually growing in woods


North American perennial with apparently whorled leaves and showy white purple-tinged flowers


common North American perennial with heathlike foliage and small white flower heads


perennial wood aster of eastern North America


rhizomatous perennial wood aster of eastern North America with white flowers


stiff perennial of the eastern United States having small linear leaves and numerous tiny white flower heads


common much-branched North American perennial with heathlike foliage and small starry white flowers


perennial of western North America having white flowers


wiry tufted perennial of the eastern United States with stiff erect rough stems, linear leaves and large violet flowers


oewn-goldilocks-n oewn-goldilocks_aster-n oewn-Aster_linosyris-n oewn-Linosyris_vulgaris-n

early-flowering perennial of southern and southeastern Europe with flower heads resembling those of goldenrod


tufted perennial wood aster of North America; naturalized in Europe


common perennial of eastern North America having showy purplish flowers; a parent of the Michaelmas daisy


North American perennial herb having small autumn-blooming purple or pink or white flowers; widely naturalized in Europe


tufted rigid North American perennial with loose clusters of white flowers


perennial of southeastern United States having usually blue flowers


a common European aster that grows in salt marshes


violet-flowered perennial aster of central United States having solitary heads


a variety of aster (Symphyotrichum subulatum)


a variety of aster (Symphyotrichum oblongifolium)


a variety of aster (Aster sagittifolius)


a variety of aster (Symphyotrichum oolentangiense)


a variety of aster (Symphyotrichum prenanthoides)


a variety of aster (Symphyotrichum concolor L.)


a variety of aster (Doellingeria umbellata)


a variety of aster (Symphyotrichum patens)


a variety of aster (Symphyotrichum lanceolatum)


a variety of aster (Symphyotrichum tenuifolium)


a variety of aster (Symphyotrichum puniceum)


a variety of aster (Symphyotrichum boreale)


a variety of aster (Symphyotrichum racemosum)


a variety of aster (Symphyotrichum laeve)


a variety of aster, used to refer to both Eurybia hemispherica and Eurybia paludosa


a variety of aster (Symphyotrichum lateriflorum)


a variety of aster (Symphyotrichum tradescantii)


a variety of aster (Symphyotrichum undulatum)


a variety of aster (Symphyotrichum praealtum)


genus of tropical American herbs sometimes included in genus Eupatorium


low spreading tropical American shrub with long slender leaves used to make a mildly stimulating drink resembling tea; sometimes placed in genus Eupatorium


shrubs of western hemisphere often having honey-scented flowers followed by silky thistlelike heads of tiny fruits; often used for erosion control


oewn-groundsel_tree-n oewn-groundsel_bush-n oewn-consumption_weed-n oewn-cotton-seed_tree-n oewn-Baccharis_halimifolia-n

a shrub of salt marshes of eastern and south central North America and West Indies; fruit is surrounded with white plumelike hairy tufts


California shrub with slender leafy shoots that are important browse for mule deer


oewn-coyote_brush-n oewn-coyote_bush-n oewn-chaparral_broom-n oewn-kidney_wort-n oewn-Baccharis_pilularis-n

widely spreading evergreen shrub of southwestern United States with flower heads in a leafy panicle


genus of coarse western American herbs with large roots containing an aromatic balsam


a plant of the genus Balsamorhiza having downy leaves in a basal rosette and yellow flowers and long balsam-scented taproots


any of numerous composite plants having flower heads with well-developed ray flowers usually arranged in a single whorl


low-growing Eurasian plant with yellow central disc flowers and pinkish-white outer ray flowers


oewn-bur_marigold-n oewn-burr_marigold-n oewn-beggar-ticks-n oewn-beggar-ap-s-ticks-n oewn-sticktight-n

any of several plants of the genus Bidens having yellow flowers and prickly fruits that cling to fur and clothing


common bur marigold of the eastern United States


North American bur marigold with large flowers


oewn-European_beggar-ticks-n oewn-trifid_beggar-ticks-n oewn-trifid_bur_marigold-n oewn-Bidens_tripartita-n


bur marigold of eastern and northern United States and Canada common in wet pastures and meadows


genus of tall leafy perennial herbs of eastern America and eastern Asia having flowers that resemble asters


any of various autumn-flowering perennials having white or pink to purple flowers that resemble asters; wild in moist soils from New Jersey to Florida and Texas


mostly Australian herbs having basal or alternate leaves and loosely corymbose flower heads


western Australian annual much cultivated for its flower heads with white or bluish to violet or variegated rays


genus of herbs of southwestern America having usually creamy florets followed by one-seeded fruits in a prominent bristly sheath


a genus of flowering plants in the aster family containing two or three species (Buphthalmum)


Eurasian perennial herbs having daisylike flowers with yellow rays and dark centers


hairy Eurasian perennial having deep yellow daisies on lax willowy stems; found in the wild in open woodland and on rocky slopes


genus of tall smooth herbs of forested mountains of Europe and Asia minor; in some classifications includes many plants usually placed in genus Emilia


any of various plants of the genus Cacalia having leaves resembling those of plantain


any of numerous chiefly annual herbs of the genus Calendula widely cultivated for their yellow or orange flowers; often used for medicinal and culinary purposes


oewn-common_marigold-n oewn-pot_marigold-n oewn-ruddles-n oewn-Scotch_marigold-n oewn-Calendula_officinalis-n


one species: erect Asiatic herb with large flowers


valued for their beautiful flowers in a wide range of clear bright colors; grown primarily for cutting


any of numerous plants of the family Compositae and especially of the genera Carduus and Cirsium and Onopordum having prickly-edged leaves


genus of annual or perennial Old World prickly thistles


European biennial introduced in North America having flower heads in crowded clusters at ends of branches


Eurasian perennial naturalized in eastern North America having very spiny white cottony foliage and nodding musky crimson flower heads; valuable source of nectar


stemless perennial having large flowers with white or purple-brown florets nestled in a rosette of long spiny leaves hairy beneath; of alpine regions of southern and eastern Europe


Eurasian thistle growing in sand dunes and dry chalky soils


thistlelike Eurasian plant widely grown for its red or orange flower heads and seeds that yield a valuable oil


oil from safflower seeds used as food as well as in medicines and paints


genus of Mediterranean herbs: cupid's dart


any of several plants of the genus Catananche having long-stalked heads of blue or yellow flowers


south European plant having dark-eyed flowers with flat blue rays


annual of southwestern United States cultivated for its purple flower heads and its bracts that resemble small baskets


a plant having leaves and stems covered with down that resembles dust


oewn-cornflower-n oewn-bachelor-ap-s_button-n oewn-bluebottle-n oewn-Centaurea_cyanus-n

an annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowers


Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America


any of various plants of the genus Centaurea having purple thistlelike flowers


perennial of mountains of Iran and Iraq; cultivated for its fragrant rose-pink flowers


oewn-lesser_knapweed-n oewn-black_knapweed-n oewn-hardheads-n oewn-Centaurea_nigra-n

a weedy perennial with tough wiry stems and purple flowers; native to Europe but widely naturalized


tall European perennial having purple flower heads


European weed having a winged stem and hairy leaves; adventive in the eastern United States


small genus of plants sometimes included in genus Anthemis: chamomile


oewn-chamomile-n oewn-camomile-n oewn-Chamaemelum_nobilis-n oewn-Anthemis_nobilis-n

Eurasian plant with apple-scented foliage and white-rayed flowers and feathery leaves used medicinally; in some classification systems placed in genus Anthemis


genus of flowering herbs of western United States


any of several United States plants having long stalks of funnel-shaped white or yellow flowers


in some classifications many plants usually assigned to the genus Chrysanthemum have been divided among other genera: e.g. Argyranthemum, Dendranthema, Leucanthemum, Tanacetum


any of numerous perennial Old World herbs having showy brightly colored flower heads of the genera Chrysanthemum, Argyranthemum, Dendranthema, Tanacetum; widely cultivated


European herb with bright yellow flowers; a common weed in grain fields


shrubby annual of the Mediterranean region with yellowish-white flowers


oewn-chop-suey_greens-n oewn-tong_ho-n oewn-shun_giku-n oewn-Chrysanthemum_coronarium_spatiosum-n

grown for its succulent edible leaves used in Asian cooking


any of several shrubby herbs or subshrubs of the genus Chrysopsis having bright golden-yellow flower heads that resemble asters; throughout much of United States and into Canada


perennial golden aster of southeastern United States


a variety of golden aster (Chrysopsis graminifolia)


genus of low branching shrubs of western North America


any of various much-branched yellow-flowered shrubs of the genus Chrysothamnus; western North America


pleasantly aromatic shrub having erect slender flexible hairy branches and dense clusters of small yellow flowers covering vast areas of western alkali plains and affording a retreat for jackrabbits; source of a yellow dye used by the Navajo


oewn-chicory-n oewn-succory-n oewn-chicory_plant-n oewn-Cichorium_intybus-n

perennial Old World herb having rayed flower heads with blue florets cultivated for its root and its heads of crisp edible leaves used in salads


widely cultivated herb with leaves valued as salad green; either curly serrated leaves or broad flat ones that are usually blanched


the dried root of the chicory plant: used as a coffee substitute


any of numerous biennial to perennial herbs with handsome purple or yellow or occasionally white flower heads


European thistle naturalized in United States and Canada where it is a pernicious weed


stout North American thistle with purplish-pink flower heads


thistle of western North America having white woolly leaves


woolly thistle of western and central Europe and Balkan Peninsula


perennial stoloniferous thistle of northern Europe with lanceolate basal leaves and usually solitary heads of reddish-purple flowers


oewn-bull_thistle-n oewn-boar_thistle-n oewn-spear_thistle-n oewn-Cirsium_vulgare-n oewn-Cirsium_lanceolatum-n

European thistle with rather large heads and prickly leaves; extensively naturalized as a weed in the United States


annual of Mediterranean to Portugal having hairy stems and minutely spiny-toothed leaves and large heads of yellow flowers


oewn-mistflower-n oewn-mist-flower-n oewn-ageratum-n oewn-Conoclinium_coelestinum-n oewn-Eupatorium_coelestinum-n

rhizomatous plant of central and southeastern United States and West Indies having large showy heads of clear blue flowers; sometimes placed in genus Eupatorium


oewn-horseweed-n oewn-Canadian_fleabane-n oewn-fleabane-n oewn-Conyza_canadensis-n oewn-Erigeron_canadensis-n

common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron


genus of American plants widely cultivated for their flowers


oewn-coreopsis-n oewn-tickseed-n oewn-tickweed-n oewn-tick-weed-n

any of numerous plants of the genus Coreopsis having a profusion of showy usually yellow daisylike flowers over long periods; North and South America


used in some classification systems for some plants of genus Coreopsis


large treelike shrub having feathery leaves and clusters of large yellow flower heads; coastal southern California


stout herb with flowers one to a stalk; ornamental developed from a Mexican wildflower


North American annual widely cultivated for its yellow flowers with purple-red to brownish centers; in some classifications placed in a subgenus Calliopsis


genus of tropical American plants cultivated for their colorful flowers


any of various mostly Mexican herbs of the genus Cosmos having radiate heads of variously colored flowers and pinnate leaves; popular fall-blooming annuals


cosmopolitan herbs especially Southern Hemisphere; many used as ground covers


South African herb with golden-yellow globose flower heads; naturalized in moist areas along coast of California; cultivated as an ornamental


any of various plants of the genus Craspedia grown for their downy foliage and globose heads of golden flowers; Australia and New Zealand


hawk's-beard; cosmopolitan in Northern Hemisphere


any of various plants of the genus Crepis having loose heads of yellow flowers on top of a long branched leafy stem; Northern Hemisphere


oewn-artichoke-n oewn-globe_artichoke-n oewn-artichoke_plant-n oewn-Cynara_scolymus-n

Mediterranean thistlelike plant widely cultivated for its large edible flower head


southern European plant having spiny leaves and purple flowers cultivated for its edible leafstalks and roots


genus of perennial tuberous plants of Mexico and Central America


any of several plants of or developed from the species Dahlia pinnata having tuberous roots and showy rayed variously colored flower heads; native to the mountains of Mexico and Central America and Colombia


South African succulent evergreen twining climber with yellow flowers grown primarily as a houseplant for its foliage; sometimes placed in genus Senecio


comprises plants often included in the genus Chrysanthemum, including the economically important florist's chrysanthemums (Dendranthema)


oewn-florist-ap-s_chrysanthemum-n oewn-florists-ap-_chrysanthemum-n oewn-mum-n oewn-Dendranthema_grandifloruom-n oewn-Chrysanthemum_morifolium-n


South African herbs or subshrubs with usually yellow flowers


any of several South African plants grown for the profusion of usually yellow daisylike flowers and mounds of aromatic foliage


genus of Eurasian perennial tuberous or rhizomatous herbs: leopard's bane


any of several herbs of the genus Doronicum having alternate often clasping stem leaves cultivated for their long stalks of yellow flower heads


small genus of North American coarse perennial herbs


any of various perennials of the eastern United States having thick rough leaves and long-stalked showy flowers with drooping rays and a conelike center


genus of Mediterranean and Eurasian herbs: globe thistles


any of various plants of the genus Echinops having prickly leaves and dense globose heads of bluish flowers


any plant of the genus Elephantopus having heads of blue or purple flowers; America


oewn-tassel_flower-n oewn-Emilia_coccinea-n oewn-Emilia_javanica-n oewn-Emilia_flammea-n oewn-Cacalia_javanica-n oewn-Cacalia_lutea-n

tropical African annual having scarlet tassel-shaped flower heads; sometimes placed in genus Cacalia


tropical Asiatic annual cultivated for its small tassel-shaped heads of scarlet flowers


genus of shrubs of southwestern United States and Mexico: brittlebush


oewn-brittlebush-n oewn-brittle_bush-n oewn-incienso-n oewn-Encelia_farinosa-n

fragrant rounded shrub of southwestern United States and adjacent Mexico having brittle stems and small crowded blue-green leaves and yellow flowers; produces a resin used in incense and varnish and in folk medicine


small genus of xerophytic herbs of southwestern United States


herb having a basal cluster of grey-green leaves and leafless stalks each with a solitary broad yellow flower head; desert areas Idaho to Arizona


one species: North American herbs that resemble sunflowers


common erect hairy perennial of plains and prairies of southern and central United States having flowers that resemble sunflowers


coarse herbs with whitish discoid flower heads and silky pappus


an American weedy plant with small white or greenish flowers


cosmopolitan genus of usually perennial herbs with flowers that resemble asters; leaves occasionally (especially formerly) used medicinally


any of several North American plants of the genus Erigeron having daisylike flowers; formerly believed to repel fleas


widespread weed with pale purple-blue flowers


widely naturalized white-flowered North American herb


mat-forming herb of Turkestan with nearly double orange-yellow flowers


well-branched plant with hairy leaves and stems each with a solitary flower head with narrow white or pink or lavender rays; western North America


slightly succulent perennial with basal leaves and hairy sticky stems each bearing a solitary flower head with narrow pink or lavender rays; coastal bluffs Oregon to southern California


especially pretty plant having a delicate fringe of threadlike rays around flower heads having very slender white or pink rays; United States and Canada


common perennial of eastern North America having flowers with usually violet-purple rays


plant having branching leafy stems each branch with an especially showy solitary flower head with many narrow pink or lavender or white rays; northwestern United States mountains


genus of hairy herbs and shrubs of western North America


greyish woolly leafy perennial with branched stems ending in leafless stalks bearing golden-yellow flower heads; dry areas western North America


large genus of chiefly tropical herbs having heads of white or purplish flowers


coarse European herb with palmately divided leaves and clusters of small reddish-purple flower heads


weedy plant of southeastern United States having divided leaves and long clusters of greenish flowers


North American herb having whorled leaves and terminal clusters of small pinkish or purple flower heads


oewn-boneset-n oewn-agueweed-n oewn-thoroughwort-n oewn-Eupatorium_perfoliatum-n

perennial herb of southeastern United States having white-rayed flower heads; formerly used as in folk medicine


oewn-Joe-Pye_weed-n oewn-purple_boneset-n oewn-trumpet_weed-n oewn-marsh_milkweed-n oewn-Eupatorium_purpureum-n

North American herb having whorled leaves and terminal clusters of flowers spotted with purple


genus of tropical African herbs or subshrubs with usually blue flowers


hairy South African or Australian subshrub that has daisylike flowers with blue rays


softly hairy South African herb having flowers with bright blue rays


any plant of the genus Filago having capitate clusters of small woolly flower heads


(literally an undutiful herb) a variety of cotton rose


genus of western American hairy herbs with showy flowers


any plant of western America of the genus Gaillardia having hairy leaves and long-stalked flowers in hot vibrant colors from golden yellow and copper to rich burgundy


oewn-blanket_flower-n oewn-Indian_blanket-n oewn-fire_wheel-n oewn-fire-wheel-n oewn-Gaillardia_pulchella-n

annual of central United States having showy long-stalked yellow flower heads marked with scarlet or purple in the center


genus of tomentose tropical African herbs with milky sap


any plant of the genus Gazania valued for their showy daisy flowers


decumbent South African perennial with short densely leafy stems and orange flower rays with black eyespots at base


genus of South African or Asiatic herbs: African daisies


African or Asiatic herbs with daisylike flowers


widely cultivated South African perennial having flower heads with orange to flame-colored rays


small genus of hairy herbs with yellow flowers


slender hairy plant with few leaves and golden-yellow flower heads; sandy desert areas of southeastern California to southwestern Utah and western Arizona and northwestern Mexico


large widely distributed genus of coarse hairy herbs with whitish involucres


any of numerous plants of the genus Gnaphalium having flowers that can be dried without loss of form or color


weedy perennial of north temperate regions having woolly foliage and dirty white flowers in a leafy spike


large genus of coarse gummy herbs of western North and Central America


oewn-gumweed-n oewn-gum_plant-n oewn-tarweed-n oewn-rosinweed-n

any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock


perennial gumweed of California and Baja California


perennial gumweed of western and central North America


sticky perennial herbs and subshrubs of western North America and warm South America


any of several plants of the genus Gutierrezia having tiny flower heads that resemble the heads of matches


similar to Gutierrezia sarothrae but with flower heads having fewer rays and disk flowers


oewn-rabbitweed-n oewn-rabbit-weed-n oewn-snakeweed-n oewn-broom_snakeweed-n oewn-broom_snakeroot-n oewn-turpentine_weed-n oewn-Gutierrezia_sarothrae-n

low-growing sticky subshrub of southwestern United States having narrow linear leaves on many slender branches and hundreds of tiny yellow flower heads


annual of southwestern United States having rigid woody branches with sticky foliage and yellow flowers


genus of Old World tropical herbs: velvet plants


oewn-velvet_plant-n oewn-purple_velvet_plant-n oewn-royal_velvet_plant-n oewn-Gynura_aurantiaca-n

Javanese foliage plant grown for their handsome velvety leaves with violet-purple hairs


genus of New Zealand mat-forming herbs or subshrubs: vegetable sheep


cushion-forming New Zealand herb having leaves densely covered with tawny hairs


genus of North and South American perennial herbs or shrubs with yellow flowers; in some classifications include species placed in other genera especially Hazardia


annual of southern United States and Mexico having bristly leaves and pale yellow flowers


slender perennial of western North America having weakly bristly leaves and yellow flower heads


small genus of shrubs and subshrubs of western United States having flowers that change color as they mature


western American shrubs having white felted foliage and yellow flowers that become red-purple


genus of American herbs with flowers having yellow rays: sneezeweeds


any of various plants of the genus Helenium characteristically causing sneezing


North American perennial with bright yellow late summer flowers


stout perennial herb of western United States having flower heads with drooping orange-yellow rays; causes spewing sickness in sheep


a sneezeweed of southwestern United States especially southern California


genus of tall erect or branched American annual or perennial herbs with showy flowers: sunflowers


any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays


sunflower of eastern North America having narrow leaves and found in bogs


annual sunflower grown for silage and for its seeds which are a source of oil; common throughout United States and much of North America


oewn-giant_sunflower-n oewn-tall_sunflower-n oewn-Indian_potato-n oewn-Helianthus_giganteus-n

very tall American perennial of central and the eastern United States to Canada having edible tuberous roots


tall rough-leaved perennial with a few large flower heads; central United States


tall perennial of central United States to Canada having golden-yellow flowers


similar to the common sunflower with slender usually branching stems common in central United States


oewn-Jerusalem_artichoke-n oewn-girasol-n oewn-Jerusalem_artichoke_sunflower-n oewn-Helianthus_tuberosus-n

tall perennial with hairy stems and leaves; widely cultivated for its large irregular edible tubers


large genus of mostly African and Australian herbs and shrubs: everlasting flowers; in some classifications includes genus Ozothamnus


oewn-strawflower-n oewn-golden_everlasting-n oewn-yellow_paper_daisy-n oewn-Helichrysum_bracteatum-n

Australian plant naturalized in Spain having flowers of lemon yellow to deep gold; the frequent choice of those who love dried flowers


any North American shrubby perennial herb of the genus Heliopsis having large yellow daisylike flowers


genus of South African and Australian herbs or shrubs grown as everlastings; the various Helipterum species are currently in process of being assigned to other genera especially genera Pteropogon and Hyalosperma


any of various plants of the genus Helipterum


genus of yellow-flowered North American herbs


oewn-hairy_golden_aster-n oewn-prairie_golden_aster-n oewn-Heterotheca_villosa-n oewn-Chrysopsis_villosa-n

hairy perennial with yellow flower heads in branched clusters; found almost everywhere in dry places from Canada to west central and western United States; sometimes placed in genus Chrysopsis


large genus of perennial hairy herbs of Europe to western Asia to northwestern Africa and North America; few are ornamental; often considered congeneric with Pilosella


any of numerous often hairy plants of the genus Hieracium having yellow or orange flowers that resemble the dandelion


European hawkweed introduced into northeastern United States; locally troublesome weeds


a hawkweed with a rosette of purple-veined basal leaves; Canada to northern Georgia and Kentucky


small genus of low perennial herbs of montane Europe; in some classifications included in genus Tussilago


rhizomatous herb with purple-red flowers suitable for groundcover; sometimes placed in genus Tussilago


small genus of erect balsam-scented herbs; Pacific coast of the northwestern United States


low tufted plant having hairy stems each topped by a flower head with short narrow yellow rays; northwestern United States


similar to but smaller than alpine hulsea


genus of herbs of temperate Australia including some from genus Helipterum


oewn-Hypochaeris-n oewn-genus_Hypochaeris-n oewn-Hypochoeris-n oewn-genus_Hypochoeris-n

widely distributed genus of herbs with milky juice; includes some cosmopolitan weeds


oewn-cat-ap-s-ear-n oewn-California_dandelion-n oewn-capeweed-n oewn-gosmore-n oewn-Hypochaeris_radicata-n

European weed widely naturalized in North America having yellow flower heads and leaves resembling a cat's ears


genus of Old World herbs or subshrubs: elecampane


tall coarse Eurasian herb having daisylike yellow flowers with narrow petals whose rhizomatous roots are used medicinally


small genus of American herbs or shrubs; in some classifications placed in a separate family Ambrosiaceae


any of various coarse shrubby plants of the genus Iva with small greenish flowers; common in moist areas (as coastal salt marshes) of eastern and central North America


tall annual marsh elder common in moist rich soil in central North America that can cause contact dermatitis; produces much pollen that is a major cause of hay fever


small herbs closely related to chicory: dwarf dandelions


any small branched yellow-flowered North American herb of the genus Krigia


small yellow-flowered herb resembling dandelions of central and southeastern United States


an herb with milky juice: lettuce; prickly lettuce


any of various plants of the genus Lactuca


annual or perennial garden plant having succulent leaves used in salads; widely grown


lettuce with long dark-green spoon-shaped leaves


distinguished by leaves arranged in a dense rosette that develop into a compact ball


distinguished by leaves having curled or incised leaves forming a loose rosette that does not develop into a compact head


lettuce valued especially for its edible stems


oewn-prickly_lettuce-n oewn-horse_thistle-n oewn-Lactuca_serriola-n oewn-Lactuca_scariola-n

European annual wild lettuce having prickly stems; a troublesome weed in parts of United States


small genus of herbs of Australia and South America having small solitary white or purple flowers similar to true daisies of genus Bellis


small genus of herbs of Pacific coast of North and South America


small slender woolly annual with very narrow opposite leaves and branches bearing solitary golden-yellow flower heads; southwestern Oregon to Baja California and Arizona; often cultivated


genus of western United States annuals with showy yellow or white flowers


California annual having flower heads with yellow rays tipped with white


any of various common wildflowers of the genus Leontodon; of temperate Eurasia to Mediterranean regions


fall-blooming European herb with a yellow flower; naturalized in the United States


alpine perennial plant native to Europe having leaves covered with whitish down and small flower heads held in stars of glistening whitish bracts


comprises plants often included in the genus Chrysanthemum, mainly distributed in southern and central Europe (Leucanthemum)


oewn-oxeye_daisy-n oewn-ox-eyed_daisy-n oewn-marguerite-n oewn-moon_daisy-n oewn-white_daisy-n oewn-Leucanthemum_vulgare-n oewn-Chrysanthemum_leucanthemum-n

tall leafy-stemmed Eurasian perennial with white flowers; widely naturalized; often placed in genus Chrysanthemum


hybrid garden flower derived from Chrysanthemum maximum and Chrysanthemum lacustre having large white flower heads resembling oxeye daisies; often placed in the genus Chrysanthemum


perennial of Portugal similar to the oxeye daisy


perennial herb closely resembling European edelweiss; New Zealand


genus of perennial North American herbs with aromatic usually cormous roots


oewn-blazing_star-n oewn-button_snakeroot-n oewn-gayfeather-n oewn-gay-feather-n oewn-snakeroot-n

any of various North American plants of the genus Liatris having racemes or panicles of small discoid flower heads


herb with many stems bearing narrow slender wands of crowded rose-lavender flowers; central United States and Canada to Texas and northern Mexico


perennial of southeastern and central United States having very dense spikes of purple flowers; often cultivated for cut flowers


genus of Old World herbs resembling groundsel: leopard plants


any of various plants of temperate Eurasia; grown for their yellow flowers and handsome foliage


Texas annual with coarsely pinnatifid leaves; cultivated for its showy radiate yellow flower heads


oewn-African_daisy-n oewn-yellow_ageratum-n oewn-Lonas_inodora-n oewn-Lonas_annua-n

shrub of southwestern Mediterranean region having yellow daisylike flowers


wild aster with fernlike leaves and flower heads with very narrow bright purple rays; Alberta to Texas and Mexico


wild aster having leafy stems and flower heads with narrow bright reddish-lavender or purple rays; western Colorado to Arizona


wild aster having greyish leafy stems and flower heads with narrow pale lavender or violet rays; of rocky desert slopes California to Arizona and Utah


genus of sticky herbs with yellow flowers open in morning or evening but closed in bright light


any of various resinous glandular plants of the genus Madia; of western North and South America


California annual having red-brown spots near the base of its yellow flower rays


oewn-melosa-n oewn-Chile_tarweed-n oewn-madia_oil_plant-n oewn-Madia_sativa-n

South American herb with sticky glandular foliage; source of madia oil


chiefly Old World strong-smelling weedy herbs; comprises plants sometimes included in other genera: e.g. Tanacetum, Tripleurospermum


oewn-sweet_false_chamomile-n oewn-wild_chamomile-n oewn-German_chamomile-n oewn-Matricaria_recutita-n oewn-Matricaria_chamomilla-n

annual Eurasian herb similar in fragrance and medicinal uses to chamomile though taste is more bitter and effect is considered inferior


annual aromatic weed of Pacific coastal areas (United States and northeastern Asia) having bristle-pointed leaves and rayless yellow flowers


herbs and subshrubs of warm North America


bushy subshrub having flower heads that resemble asters with broad white rays; found in desert areas of Arizona east to Kansas and south to Mexico


large genus of evergreen lianas of tropical America


oewn-climbing_hempweed-n oewn-climbing_boneset-n oewn-wild_climbing_hempweed-n oewn-climbing_hemp-vine-n oewn-Mikania_scandens-n

herb of tropical America having vanilla-scented flowers; climbs up trees


genus of South American shrubs or lianas having large flower heads with feathery pappuses


any of various plants of the genus Mutisia


genus of North American and east Asian perennial herbs; sometimes included in genus Prenanthes


oewn-white_lettuce-n oewn-cankerweed-n oewn-Nabalus_alba-n oewn-Prenanthes_alba-n

herb of northeastern North America having drooping clusters of yellowish-white flowers; sometimes placed in genus Prenanthes


oewn-lion-ap-s_foot-n oewn-gall_of_the_earth-n oewn-Nabalus_serpentarius-n oewn-Prenanthes_serpentaria-n

common perennial herb widely distributed in the southern and eastern United States having drooping clusters of pinkish flowers and thick basal leaves suggesting a lion's foot in shape; sometimes placed in genus Prenanthes