Shrub, erect, to 3 m high, glabrous but with the leaf undersides and ovary sometimes sparsely hairy. Leaves 8–15 cm long including a terete or winged petiole 6–14 mm long; stipules acicular, caducous; leaflets in 8–13 pairs spaced 5–8 mm apart, lanceolate to elliptic, 10–30 mm long, 5–10 mm wide, increasing distally, flat or slightly recurved at the margin, acute or obtuse and mucronate; glands between all leaflet pairs, stipitate. Inflorescence subumbellate, of 3–5 flowers, in upper axils; peduncle 30–90 mm long; pedicels 10–20 mm long; bracts caducous. Petals 12–20 mm long. Fertile stamens 10; filaments subequal, c. 1 mm long, or 1–3 longer; anthers subequal, 4–6 mm long. Pod flat but plump, 8–12 cm long, 5–6 mm wide, slightly curved, entire. Seeds glossy, with a narrow areole.
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