Description from Flora of China
Shrubs to 50 cm tall. Branches golden yellow, shiny, pubescent when young but gradually glabrescent. Leaves digitate, 4-foliolate; petiole 4-6 mm and persistent on long branchlets, absent and leaves clustered on short branchlets; leaflet blades oblanceolate to linear, (5-)7-17(-30) × 1-3 mm, both surfaces glabrous, apex obtuse to acute. Flowers solitary. Pedicel 0.6-2 cm, articulate basally or apically from middle, glabrous or pubescent. Calyx tube tubular-campanulate, 5-6 mm. Corolla yellow, 1-1.6 cm; standard broadly obovate, claw ca. 1/3 as long as limb; wings oblong, inflated toward apex, auricle short; keel with claw as long as limb, auricle obtuse. Ovary densely pubescent. Legume linear, 2-3 cm, pubescent when young, glabrescent. Fl. May, fr. Jun. 2n = 16.
Sandy areas, rocky slopes, hilly areas among rocks; 900-1300 m. Hebei, Nei Mongol, Xinjiang [Mongolia, E Russia].