Perennial herbs, (15-)30-40(-50) cm, from a woody caudex. Stem procumbent or ascending, terete, branching at base. Leaves 3-foliolate; leaflets obovate, 9-18 × 5-9 mm, glabrate to sparsely pubescent, base cuneate, margin sharply few toothed, apex truncate to broadly rounded, sometimes retuse or apiculate. Flowers (2-)5-8(-10) in umbels; peduncle axillary, longer than subtending leaf; pedicels 2-3 mm, recurving after anthesis. Calyx 4-5(-7) mm; teeth linear-lanceolate, as long as tube. Corolla yellow, 7-9(-10) mm; standard oblong to oblong-ovate, 7-10 × 4-5 mm, longer than keel. Ovary linear; ovules 3-5. Legume oblong-elliptic, (10-)11-13(-16) × (3-)4.5 mm, straight or slightly curved, flattened laterally, glabrous or rarely pubescent, veins prominent, oblique, base broadly cuneate, apex acute, with persistent style. Seeds 3 or 4, smooth. Fl. and fr. May-Sep.