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Perennial herb from a thick woody rhizome; stems erect to ascending, 10-40 cm tall, mostly unbranched, appressed-hairy to nearly glabrous.
Alternate, palmately compound, stalked; leaflets 3, oblanceolate to elliptic, 1.5-3 cm long, short-hairy on both surfaces or glabrous above; lowest stipules papery, sheathing, the upper ones large, egg-shaped, resembling leaflets, joined to the leaf-stalk at the base.
Inflorescence a dense, stalked, erect, terminal raceme, 5-10 cm long, of 10 to 30 erect, pea-like flowers; corollas bright yellow, 17-25 mm long; calyces bell-shaped, 8-13 mm long, 2-lipped, the upper lip 2-toothed, the lower 3-toothed, the teeth triangular.
Pods, linear, flattened, 4-8 cm long, spreading and curved, stiff-papery, usually soft-hairy; seeds several.
Source: The Illustrated Flora of British Columbia