Herbs or subshrubs, 30-60 cm; plant gray hairy. Leaves (5-)9-15(-20) cm; leaflets 13-33, opposite, lanceolate to oblong-lanceolate, (3.5-)15-20(-27) × (2-)3-7 mm, papery. Racemes terminal, to 20 cm, narrow. Calyx obliquely campanulate, ca. 8 × 4.5 mm, 5-lobed, pubescent. Corolla white to creamy yellow; standard oblong-obovate, apex obcordate, narrowing to claw, claw equal to blade in length; wings unequal, auriculate, claw shorter than blade; keel falcate, auriculate. Stamens 10, fused at base. Ovary densely gray-brown pubescent; ovules many. Legumes indehiscent, 4-5 × 0.8-0.9 cm. Seeds red-brown, 5-6 × 4-4.5 mm, lustrous.
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