Leaflet up to 8 × 4.5 cm, elliptic to narrowly elliptic or slightly obovate, rounded or cuneate at the base, obtuse or rounded at the apex, glabrous on upper surface, pubescent on lower; petiole 9–16 mm long.
Petals white, with a yellow mark near base of the standard; standard 18–24 mm long, wing and keel petals 16–24 mm long.
Young branches, petioles, inflorescences, bracteoles and calyces with a short dark brown pubescence.
Calyx 14–19 mm long, spathaceous, remaining ± entire at the apex.
Bush or small tree, sometimes scrambling, up to 7 m.
Pods up to 13 × 1.5 cm, greyish-black, glabrous.
Ovary 8–10 mm long, glabrous.