Robert W. Freckmann Herbarium


  Barbarea orthoceras Ledeb. image
Photographer: from USDA Plants website           
Family Brassicaceae
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"
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
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
(Glossary)

More Information Natural Communities Herbarium Specimens
All Barbarea list Google- Images or Text

Flora of North America (off site)
Synonyms 
Barbarea americana Rydb.
Barbarea orthoceras Ledeb. var. dolichocarpa Fernald

         
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