Plants strong, 60-150 cm tall. Stem up to 20 mm thick, very densely covered with ± spreading hairs up to 4 mm. Leaves 15-25 cm; stipules up to 35 mm, nearly amplexicaul at base, ciliate; petiole 1-3 cm, like rachis densely spreading hairy; leaflets in 8-12 pairs, narrowly ovate to elliptic, 35-50 × 14-23 mm, abaxially densely covered with ± appressed hairs 0.5-2.5 mm, adaxially glabrous, apex rounded. Racemes 3-9-flowered; bracts 10-18 mm, densely ciliate. Calyx 20-22 mm, densely ± spreading hairy; teeth 8-10 mm. Standard widely ovate, 34-39 × 17-21 mm, apex deeply emarginate; wings 28-34 mm; keel 27-31 mm. Legumes 15-20 mm, ca. 15 mm in diam., rounded ventrally and dorsally, with a beak ca. 3 mm, nearly completely hidden in dense indumentum of tangled, mostly spreading hairs up to 5 mm.
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