Robert W. Freckmann Herbarium


  Brassica nigra (L.) W.D.J.Koch image
Photographer: Hugh H. Iltis           

Botanical Illustration

Botanical Illustration

Corey Raimond

Dennis W. Woodland

Hugh H. Iltis

Hugh H. Iltis

Hugh H. Iltis
Family Brassicaceae
Brassica nigra (L.) W.D.J.Koch
black mustard
Brassica: Latin name for "cabbage"
nigra: Latin for "black"
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Introduced - naturalized
Plant: erect, annual, 6"-60" tall forb; stems with rough hairs toward the base, smooth and hairless above
Flower: yellow, 4-parted, 1/4" wide; inflorescence a rounded cluster (raceme) of stalked flowers; blooms June-Sept.
Fruit:1/2"-3/4" long, thin, erect, 4-angled pod lying near the stem
Leaf:stalked, not clasping, oval; lower leaves often lobed, upper leaves toothed
Habitat: disturbed sites, fields
(Glossary)

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

Flora of North America (off site)
Synonyms 
Sinapis nigra L.

         
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