Robert W. Freckmann Herbarium


  Rorippa palustris (L.) Besser image
Photographer: Emmet J. Judziewicz           

Corey Raimond

Corey Raimond
Family Brassicaceae
Rorippa palustris (L.) Besser
bog yellow-cress, common yellow-cress
Rorippa: an Anglo-Saxon word rorippen whose meaning has been lost
palustris: "of marshes"
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: erect, annual/biennial, 18"-40" tall forb, larger plants with many branches; taprooted
Flower: yellow, 4-parted, 1/8"-3/8" long, petals about the same length as the sepals; inflorescence a loose cluster (raceme) of stalked flowers; blooms May-Oct.
Fruit:longish, plump pods about 2 times as long as its stalk
Leaf:lower leaves pinnately-divided; middle leaves with distinct wings and lobes toward the base, appearing stalkless
Habitat: generally in wetlands
(Glossary)

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

Flora of North America (off site)
Synonyms 
(for list of synonyms - see the subspecies)

         
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