Photographer: Merel R. Black
Sinapis arvensis L.
California rape, charlock mustard
Sinapis: Greek, said to come from the Celtic for "turnip"
arvensis: of planted fields
|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|