Herbs or subshrubs, ca. 1 m high, densely branched. Branches white villous or patulous-tomentose. Leaves 15-30 × 4-9 cm; stipules subulate, ca. 5 mm, caducous; petiole 1-2 cm; leaflets 11-27, lanceolate-oblong or elliptic-oblong, 15-40 × 5-14 mm, papery, densely hairy abaxially, pilose adaxially, lateral veins not obvious. Racemes terminal. Flowers many, dense; pedicel 3-5 mm; bracts subulate, caducous. Calyx compressed campanulate; teeth 5, unequally triangular-ovate. Corolla white or creamy white; standard varying in shape, usually oblong-oblanceolate, 15-20 × 3-4 mm, apex rounded or obcordate, narrowing to claw; wings ca. 16 mm, ovate-oblong, 1-auriculate; keel similar to wings, claw slender, ca. 1/2 as long as blade. Stamens 10, slightly fused at base, shortly hairy where fused. Ovary densely white hairy; stigma very small, pilose. Legumes moniliform, straight, 8-13 cm. Seeds many, brown or light brown, ovoid. Fl. May-Jun, fr. Aug-Oct.
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A herb or small shrub. It grows 1 m tall. The leaves are 15-30 cm long by 4-9 cm wide. There are 11-27 leaflets that are oblong and 15-40 mm long by 5014 mm wide. They are hairy underneath. The pods are straight and 8-13 cm long. There are many seeds.
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