Erucastrum gallicum (Willd.) O.E.Schulz
Family: Brassicaceae
common dog-mustard, dog-mustard
Erucastrum gallicum image
Matthew L. Wagner  
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