Robert W. Freckmann Herbarium


  Sinapis arvensis L. image
Photographer: Merel R. Black           

Botanical Illustration

Botanical Illustration

Botanical Illustration

Merel R. Black

Merel R. Black

Merel R. Black
Family Brassicaceae
Sinapis arvensis L.
California rape, charlock mustard
Sinapis: Greek, said to come from the Celtic for "turnip"
arvensis: of planted fields
Hazardous hazard symbol- click for definition
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Introduced - naturalized
Plant: annual, 4"-32" tall forb, usually with some rough hairs
Flower: yellow, 4-parted, 1/2" wide; inflorescence a cluster (raceme) of stalked flowers; blooms May-July
Fruit:long, thin, flat, erect, 4 -sided pods, the pointed tip often half as long as the body
Leaf:oblong, lower leaves coarsely toothed to lobed
Habitat: disturbed areas
(Glossary)

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

Flora of North America (off site)
Synonyms 
Brassica arvensis (L.) Rabenh.
Brassica kaber (DC.) L.C.Wheeler
Brassica kaber (DC.) L.C.Wheeler var. pinnatifida (Stokes) L.C.Wheeler
Brassica kaber (DC.) L.C.Wheeler var. schkuhriana (Rchb.) L.C.Wheeler

         
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