Elm • Ulmus \’elm\
Trees & Shrubs
Conditions: Allergic rhinitis; allergic asthma.
Symptoms: Itchy, stuffy, or runny nose; post-nasal drip; sneezing; itchy, red or watery eyes; asthmatic symptoms.
Physical description: Light or dark gray, ridged bark; can grow up to 115 feet tall; the leaves are oval or elliptical, smooth, asymmetrical, and double serrated on the edges and typically dark green on top and light green on the bottom.
Environmental factors: Found in tropical forests, wetlands, and moist areas; widely distributed throughout North America5
Included species: American elm, and many more.
1. “Elm.”Merriam-Webster. https://www.merriam-webster.com/dictionary/elm
2. “Elm.” Encyclopedia Britannica. https://www.britannica.com/plant/elm-tree
3. “American Elm Tree Information.” Trees of North America. http://www.treesofnorthamerica.net/show/tree/American-Elm/203
4. “Elm Facts.” Soft Schools. http://www.softschools.com/facts/plants/elm_facts/1150/
5. “American Elm Tree Facts.” Home guides | SFGate. http://homeguides.sfgate.com/american-elm-tree-37772.html
6. “Learn More About Elm.”Texan Allergy & Sinus Center. https://www.texanallergy.com/allergens/elm
7. “Elm.”Pollen.com. https://www.pollen.com/research/genus/ulmus
8. “American Elm.” NaturesPace. http://webpage.pace.edu/naturespace/American%20Elm.htm
Did You Know?
American elms were formerly the predominant landscape tree in the northeastern U.S.