Shrubs or trees, 2-7 m tall; stem gray; buds densely brown hairy. Leaves 12-16.5 cm; rachis sparsely gray-white pubescent; leaflets 3-5(-7); petiolule very short; terminal leaflet obovate or elliptic, ca. 10 × 6 cm, base cuneate or rounded, apex acuminate; lateral leaflets elliptic or long elliptic, 4-9.5 × 2-4.5 cm, hairy along main vein, base cuneate, apex acuminate. Racemes terminal, 6-10.5 cm. Flowers 1.8-2.1 cm; pedicel 8-12 mm, slender. Calyx cylindric, ca. 8 mm; teeth short, gray pubescent at margin. Corolla green-white. Ovary densely yellow-brown pubescent, ca. 12 mm, stalked; style ca. 1 mm. Legumes brown, linear, 5.5-10 × 0.9-1.4 cm, slightly curved to falcate, compressed, densely villous, wingless; fruit neck 5-15 mm; fruit stalk ca. 1 cm. Seeds 2-4, light red to scarlet, reniform, compressed. Fl. Apr-May, fr. Aug-Sep.
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