A small shrub about 15 cm high. Branches terete, villous. Leaves shortly petioled, 3-foliate. Petioles 3-4 mm long, villous. Leaflets 0.9-2.3 cm long, 0.5-1.7 cm broad, elliptic, very shortly acuminate, acute, acute at the base, strigose above and beneath, villous on the margins. Stipules 0.9-1 cm long, lanceolate, acuminate, acute, strigose. Peduncles 1-flowered, terminal or axillary, 2-5.5 cm long, terete, villous. Bracts 3, 5-8 mm long, linear, acute. Calyx 1.4 cm long; segments lanceolate, acute, membranous, pilose with stiff hairs. Vexillum 1.3 cm long, 1.5 cm broad, ovate-orbicular, obtuse, shortly clawed, strigose, ciliate; alae 1.1 cm long, 6 mm broad, obovate, obtuse, shortly clawed, glabrous; Carina 9 mm long, 5.5 mm broad, plano-convex in outline, glabrous. Stamens 9 mm long, curved above, glabrous. Ovary 6 mm long, linear, densely villous; style 4 mm long, curved; stigma capitate. Fruit 3.2 cm long, 0.5 cm broad, linear, shortly mucronate, subacute at the base, pilose, 4-5-seeded.
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Perennial herb, 0.02-0.75 m high; pilose indumentum. Inflorescences of 1-or 2-flowered racemes, leaf-opposed. Pod broad, pilose.