Shrub, erect or spreading, to 3 m high, pubescent on the vegetative parts and ovary or glabrous. Leaves 3–5 cm long including a terete or rarely winged petiole 2-5 (–8) mm long; stipules acicular, persistent or caducous; leaflets in (4–) 8–12 pairs spaced 1–5 mm apart, linear or narrowly elliptic, 20–25 (–45) mm long, 1–4 mm wide, increasing distally, usually revolute at the margins, acuminate or almost pungent; glands between all leaflet pairs, stipitate. Inflorescence subumbellate, of 2 or 3 flowers, in upper axils; peduncle 20–50 mm long; pedicels 10–15 mm long; bracts persistent or caducous. Petals 10–15 mm long. Fertile stamens 10; filaments subequal or unequal, 1–4 mm long; anthers subequal or unequal, the largest 4–5 mm long. Pod flat but plump, 6–8 cm long, 5–6 mm wide, straight or slightly curved, entire. Seeds lustrous, with a narrow areole.
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