Shrubs to 1.5 m tall. Branches purplish brown; branchlets grayish brown. Leaves digitate, 4-foliolate; petiole 1-1.5 cm, caducous; leaflet blades obovate-cuneate, 1-2.2 × 0.4-0.7 cm, with apical ones largest, abaxially sparsely white pubescent, adaxially glabrous, base cuneate, apex rounded to nearly truncate. Flowers solitary. Pedicel 8-9 mm, articulate apically. Calyx tube tubular, ca. 6 mm. Corolla yellow but adaxially reddish yellow; standard orbicular, ca. 2.2 cm, claw broad and short; wings narrowly oblong, ca. 2.4 cm, claw slightly shorter than limb, auricle short; keel broader than wing, auricle obtuse. Ovary pubescent. Legume cylindric, 2.5-3.5 cm, pubescent to glabrescent. Fl. Apr-May, fr. Jun-Jul.
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