Sinapis arvensis L.  
Family: Brassicaceae
California rape, charlock mustard
[Brassica arvensis (L.) Rabenh., Brassica kaber (DC.) L.C.Wheeler, Brassica kaber var. pinnatifida (DC.) L.C.Wheeler, Brassica kaber var. schkuhriana (DC.) L.C.Wheeler, Sinapis arvensis var. pinnatifida L.]
Sinapis arvensis image
Merel R. Black  
Etymology: Sinapis: Greek, said to come from the Celtic for "turnip"
Plants: annual, 4"-32" tall forb, usually with some rough hairs
Leaves: oblong, lower leaves coarsely toothed to lobed
Flowers: yellow, 4-parted, 1/2" wide; inflorescence a cluster (raceme) of stalked flowers; blooms May-July
Fruits: long, thin, flat, erect, 4 -sided pods, the pointed tip often half as long as the body
Habitat: disturbed areas
Hazardous: Careful, this plant is hazardous!
Conservation Status: Introduced - naturalized
Sinapis arvensis image
Merel R. Black  
Sinapis arvensis image
Merel R. Black  
Sinapis arvensis image
Merel R. Black  
Sinapis arvensis image
Botanical Illustration  
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