Shrub, erect and straggling, to 3 m high, glabrous but with the leaves and ovary sometimes sparsely hairy. Leaves 5–9 cm long including a terete or slightly winged petiole 5–10 mm long; stipules acicular, subpersistent; leaflets in 9–12 pairs spaced 6-8 mm apart, elliptic, 10–20 mm long, 3–8 mm wide, obtuse and mucronate; glands 1 or 2, between the lowest leaflet pairs, stipitate. Inflorescence subumbellate, of 3–5 flowers, in upper axils; peduncle 10–20 (–30) mm long; pedicels c. 10 mm long; bracts caducous. Petals 10–13 mm long. Fertile stamens 10; filaments subequal 1-2 mm long; anthers subequal, 4–6 mm long. Pod flat but plump, 6–8 cm long, 4–6 (–8) mm wide, curved, entire. Seeds glossy, with a small narrow areole.
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