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Fleshy perennial herb from a taproot and short-forking stem-base; stems several, tufted to mat-forming, decumbent to ascending, 20-40 cm long/tall, few-branched, glabrous.
Alternate, pinnately compound, 5-15 cm long, stalked; leaflets 11 to 25, elliptic to egg-shaped, rounded or notched at the tip, glabrous or the margins with a few appressed, unbranched hairs, 10-20 mm long; stipules narrowly egg-shaped, 2-7 mm long, not joined.
Inflorescence a loose, axillary raceme of 5-15 spreading, pea-like flowers, the racemes 1-6 cm long, their stalks 3-14 cm long and shorter than the leaves; corollas creamy-white to yellow, 1.5-2 cm long, the banner and wings about equal in length and longer than the rounded keel; calyces glabrous or sparsely blackish-hairy, 7-14 mm long, the awl-shaped teeth equal to the bell-shaped tube.
Pods, ellipsoid, curved, 1.5-3 cm long, erect on stout stalks 1-5 mm long, somewhat inflated, glabrous, sometimes purplish-mottled, rather fleshy becoming leathery, 1-chambered.
Source: The Illustrated Flora of British Columbia