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General:
Perennial herb from a taproot and branching stem-base; stems several, clumped, spreading to erect, 10-50 cm tall, often branched, leafless on lower part, with fine, soft, curly, unbranched hairs.
Leaves:
Alternate, pinnately compound, 3-9 cm long, short-stalked; leaflets 11 to 21, oblanceolate to oblong, often notched at the tip, 8-20 mm long; stipules lanceolate, 2-5 mm long, not joined.
Flowers:
Inflorescence an axillary raceme of 15 to 40 nodding, pea-like flowers, the racemes compact at first then elongating, 4-12 cm long on stalks that are longer than the leaves; corollas creamy-white to yellowish with greenish tinges, 13-17 mm long, the stubby banner shorter than the wings, which barely exceed the blunt keel; calyces 7-10 mm long, downy with white and black hairs, the tube bulging on one side at the base, the lance-triangular teeth 1-3 mm long.
Fruits:
Pods, lance-oblong, drooping on stalks 5-15 mm long, straight or gently curved, 7-25 mm long, laterally flattened, with short, soft or appressed hairs, somewhat fleshy becoming leathery and net-veined, 1-chambered.
Source: The Illustrated Flora of British Columbia
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