Erect shrub or tree up to c. 10 m. tall, with trunk up to 20 cm. diam. Branchlets much-flattened, finely grooved, (4)-6-7 mm. wide, glab. or nearly so. Lvs on young plants glab., (1)-5-7-foliolate; lflts obcordate-to obovate-cuneate, up to 15 × 12 mm. Infl. of 1-3 racemes, 8-12-fld, on pubescent peduncles up to c. 10 mm. long. Fls c. 4 × 3 mm., on pedicels ± 1 mm. long. Calyx 1·5-2 × 1·5-2 mm., glab.; teeth broad-triangular. Standard, keel and wings white, purple-veined and -flushed; auricles rounded or bluntly pointed. Ovary glab. Pods black, subturgid, obliquely oblong, c. 8-10 × 4-5 mm.; beak 1-2 mm. long, subulate. Seeds (1)-2-(3), orange-red, ± black-mottled, c. 2-3 × 1-2 mm.