Shrubs, 1-2 m tall. Young branches appressed hairy. Petiole 0.7-2.4 cm, with dense appressed short hairs; stipels sometimes present, linear, 0.5-1 mm; leaflets oblong to elliptic, terminal one 1.2-3 × 0.6-1.5 cm, abaxially sericeous, adaxially glabrous or sparsely pubescent, base obtuse or rounded, apex retuse and mucronulate. Racemes 2-11 cm, sometimes paniculate; rachis densely appressed or ascending shortly hairy. Pedicels 4-6 mm, densely appressed or ascending shortly hairy. Calyx densely shortly appressed hairy; tube 1.8-2 mm; lobes narrowly triangular, 2-2.2 mm. Corolla purple; standard obovate, 10-11 mm, apex obtuse; wings 9.5-10.5 mm, clawed at base; keel shallowly inflexed, 12-16 mm, clawed at base. Ovary narrowly ovoid, ca. 2.5 mm, shortly hairy; style ca. 7.5 mm. Legume obliquely elliptic, ca. 7 mm, shortly ascending hairy, acute at apex. Seeds reniform, ca. 2.7 × 2 mm.
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