Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to Oregon, east across the northern U.S. and Canada to the Atlantic Coast.
Habitat: Forest openings and rocky balds from sea-level to the alpine.
Conservation Status: Endangered in Washington (WANHP)
Tufted, extremely variable, grayish or greenish perennial, the leaves and peduncles attached near the base, 5-30 cm. tall.
Leaves odd-pinnate, 3-20 cm. long; leaflets 5-41, 5-30 mm. long, narrowly lanceolate, acute; stipules membranous, 5-15 mm. long, attached to the petiole about half their length, hairy on the margins and lower surfaces.
Inflorescence of spike-like racemes on long peduncles, 5- to 40-flowered; flowers 10-20 mm. long, white to yellowish, the keel sometimes purplish; calyx gray- to black-hairy, half the length of the corolla, the 5 teeth linear-oblong, 1-4 mm. long; banner erect, wings longer than the keel, which has a beak 5 mm. long.
Pod 1-2.5 cm. long, almost 2-celled by the intrusion of the upper suture.