Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Montana, Idaho, Utah, and Arizona; also from Great Plains east to the Atlantic Coast.
Habitat: Roadsides, thickets, forest edge, and other distrubed areas..
Conservation Status: Not of concern
Coarse shrub 1-3 m. tall, with well-developed, flattened, curved or hooked prickles.
Leaves alternate, deciduous, odd-pinnate with 5-7 leaflets; leaflets elliptic to obovate, pointed, 1.5-4. cm. long and 1-2.5 cm. wide, sharply serrate, usually glandless and glabrous on both sides.
Flowers solitary or few, terminal on the branches; sepals 5, 1-2 cm. long, reflexed and early-deciduous, often with long, slender lateral lobes; petals 2-2.5 cm. long, pink or white; stamens numerous, pistils many.
Hips 1.5-2 cm. long, globose to ellipsoid or ovoid, bright red, glabrous.