Brassica juncea (L.) Czern.  
Family: Brassicaceae
brown mustard, Chinese mustard, Indian mustard
[Brassica integrifolia (Willd.) Rupr., Brassica japonica Thunb., Brassica juncea var. crispifolia (L.) Czern., Brassica juncea var. japonica (L.) Czern., Brassica juncea var. juncea (L.) Czern., Brassica willdenowii Boiss., Sinapis juncea L.]
Brassica juncea image
Richard Bauer  
Etymology: Brassica: Latin name for "cabbage"
Plants: erect, annual, 12"-40" tall forb, often smooth
Leaves: upper leaves smaller, mostly short-stalked to stalkless, not clasping; lower leaves to 8", pinnately-divided and toothed
Flowers: yellow, 4-parted, 1/2" wide; inflorescence a rounded cluster (raceme) of stalked flowers; blooms June-Oct.
Fruits: 1/2"-1 1/2" long, thin pod roundish in cross section and pointing upward
Habitat: disturbed sites
Hazardous: Careful, this plant is hazardous!
Conservation Status: Introduced - naturalized
Brassica juncea image
Brassica juncea image
Brassica juncea image
Brassica juncea image
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