Alternate name: Broadleaf Pepperwort
Family: Brassicaceae, Mustard view all from this family
Description Introduced. A dense, leafy, upright-growing plant topped with crowded clusters of small yellowish to white flowers.
Flowers: small; petals narrow, stalk-like at base; in dense panicles.
Leaves: 4-12" (10-30 cm); basal leaves longest, stem leaves smaller; lance-shaped; may have wavy edges.
Height: 1 1/2-6 1/2' (0.4-2 m)
Habitat Roadsides, agricultural fields, riversides, waste areas, beaches and other coastal habitats, sagebrush and other shrub communities, marshy areas.
Range Native of Eurasia and northern Africa; naturalized in many areas of western North America and scattered areas in the East.
Discussion Widely considered a noxious pest in the West, Perennial Pepperweed sprouts from roots and rhizomes, forming dense colonies that can exclude all other vegetation.