Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Ontario and Texas.

Habitat: Stream and riverbanks, riparian corridors, and other wet areas, often associated with disturbance.

Flowers: May-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bumblebees, bees

Glandular, perennial herbs from extensive, aromatic, woody rhizomes, the stems 3-12 dm. tall.

Leaves alternate, odd-pinnate, the leaflets 7-15, lanceolate to oblong, 2-4 cm. long; stipules small, linear, deciduous.

Flowers numerous in dense, bracteate spikes on long peduncles arising from the leaf axils; calyx broadly tubular, with 5 awl-shaped teeth; corolla pea-like, creamy-yellow, 10-15 mm. long, the banner only slightly reflexed from the narrow wings and acuminate keel; stamens 10; style straight.

Pod 10-15 mm. long, densely covered with hooked bristles.