Photographer: from USDA Plants website
Barbarea orthoceras Ledeb.
American yellow-rocket, northern winter-cress
Barbarea: named after St. Barbara and once generally known as her herb, or the Herba Sanctae Barbarae
orthoceras: from the Greek for "straight, upright" and "horn"
|Plant: ||biennial/perennial forb|
|Flower: ||yellow, 4-parted, 1/4" wide, flower stalk bat-like; inflorescence a crowded cluster (raceme) of stalked flowers|
|Fruit:||long, thin pod roundish in cross-section; seeds in 1 row|
|Leaf:||toothed, clasping, lower mostly pinnately-divided with a large end lobe and 1-4 pairs of smaller side lobes|