Shrubs to 50 cm tall. Branches brown to bright brown. Leaves digitate, 4-foliolate; petiole 8-10 mm and persistent on long branchlets, 4-6 mm and caducous on short branchlets; leaflet blades obovate, 6-10 × 2-4 mm, both surfaces appressed pubescent, apex acute, obtuse, or sometimes emarginate. Flowers solitary. Pedicel 2-6 mm, articulate basally to apically. Calyx tube tubular, 8-10 mm. Corolla yellow but standard sometimes with orange spots, ca. 2 cm; standard suborbicular to obovate; wings with claw shorter than limb, auricle short; keel with claw shorter than limb, auricle short. Ovary pubescent. Legume cylindric, 2.5-3.5 cm, pubescent to glabrescent. Fl. Apr-May, fr. Jun-Jul.