Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to Oregon; also in Montana, Idaho, Utah, and Pennsylvania.

Habitat: Fields, roadsides, wasteltots, and other disturbed areas.

Flowers: May-June

Origin: Introduced from Europe

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Bumblebees, bees

Erect, stiff-hairy annual, the stems simple or branching, 1.5-5 dm. tall.

Leaves alternate, basal and cauline, bipinnately dissected.

Flowers single on long, coarsely-hairy peduncles, nodding in the bud; receptacle not flared; sepals 2, 5-10 mm. long, bristly, separately early-deciduous; petals 4, scarlet with a black base, 1.5-2.2 cm. long, obovate; stamens numerous; style absent, stigma sessile, disk-like, with 5-15 round, stigmatic ridges.

Capsule oblong-obovoid, 1.5-2 cm. long, prominently ribbed, covered with stiff bristles.