Family: Brassicaceae
common dog-mustard, dog-mustard
[Brassica erucastrum L., more... ]
Etymology: Erucastrum: resembling the genus Eruca
Plants: erect, annual/biennial, 12"-24" tall forb
Leaves: lower leaves oblong, deeply pinnately-divided with the end leaflet longest; stem leaves not clasping, getting smaller toward the top
Flowers: pale yellow to whitish, 4-parted, 1/3" - 1/2" wide, petals rounded at the top, narrowing toward the base; inflorescence a dense cluster (raceme) of stalked flowers with bracts below; blooms May-Sept.
Fruits: elongated, thin, 4-angled pod usually curving upward; seeds in 1 row
Habitat: disturbed areas
Conservation Status: Introduced - naturalized
Plants: erect, annual/biennial, 12"-24" tall forb
Leaves: lower leaves oblong, deeply pinnately-divided with the end leaflet longest; stem leaves not clasping, getting smaller toward the top
Flowers: pale yellow to whitish, 4-parted, 1/3" - 1/2" wide, petals rounded at the top, narrowing toward the base; inflorescence a dense cluster (raceme) of stalked flowers with bracts below; blooms May-Sept.
Fruits: elongated, thin, 4-angled pod usually curving upward; seeds in 1 row
Habitat: disturbed areas
Conservation Status: Introduced - naturalized
Pastures, fields, meadows, along roadsides and railroads, old quarries, gardens, gravel beaches and sand dunes along Lake Michigan, riverbanks, lake bluffs, gravel pits and gravel lots, dumps, coal yards, construction sites and other areas with open disturbed soil. Primarily associated with rocky or disturbed soil. Introduced from Europe and first collected in 1903; mostly restricted to the eastern quarter of the state.
Flora of North America: Flora of North America USDA Plants Database: Federal Distribution and detailed information including photos