Shrub, spreading, to 0.8 m high, glabrous. Leaves 8–12 cm long including a terete petiole 20–40 mm long; stipules acicular, caducous; leaflets in 5–12 pairs spaced 15–20 mm apart, linear to elliptic, 30–60 mm long, 5–15 mm wide, obtuse and mucronate to emarginate; glands absent. Inflorescence dense, of 20–60 flowers, terminal and in upper axils; peduncle 20–80 mm long; pedicels 10–25 mm long; bracts subpersistent. Petals c. 15 mm long. Fertile stamens 7, with 3 adaxial staminodes; filaments subequal, c. 1 mm long; anthers unequal, the largest two c. 10 mm long, the others 3–5 mm long. Pod flat, 3.5–7 cm long, 8–12 mm wide, straight, entire. Seeds dull, with a short areole.
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