Erect to spreading much-branched shrub or small tree up to 2 m. tall. Branchlets glab. or nearly so, sinuate, ± 2 mm. diam., slightly compressed, grooved, at a wide angle to axis, ± drooping and interlacing. Lvs 3-4-(7)-foliolate, ± pilose when young, on petioles c. 10 mm. long; lflts very shortly stalked, obcordate-cuneate, ± 4 × 2 mm. Young plants in shade have lflts up to 15 × 10 mm., more distinctly stalked. Infl. of strict, us. solitary (10)-20-30-(40)-fld racemes on peduncles ± pilose, ± 20 mm. long. Fls shortly stalked, ± 4 × 3 mm. Calyx c. 2 × 2 mm., ± pilose; teeth very short, broad-triangular, blunt, ciliate; standard purple-veined, purple-blotched towards base, pale towards apex; keel white or purple-flushed, auricles rounded; wings white, veins pale purple, auricles bluntly pointed. Ovary glab. or nearly so. Pods stramineous, 7-8 × 3-4 mm., ± ovate-oblong, slightly compressed; beak c. 2 mm., stout, subulate. Seeds 2-4, ± 3 mm. diam., pale to dark brown.