Dioecious erect, rounded shrub to 1.5 m high. Leaves paripinnate, sometimes terminated by a small tooth or lobe, including petiole 1–3.8 cm long; leaflets 2–6, rarely to 10, linear, terete or concave or channelled above, falcate or sometimes more or less flat & straight, obtuse, often recurved, entire, 8–13.5 mm long, rarely to 25 mm, 0.5–2 mm wide, glabrous; petiole 9.5–20 mm long, rarely to 24 mm. Flowers usually paired or 3-together, rarely solitary; pedicels 4–8.5 mm long. Sepals 4, oblong-lanceolate to ovate, 1.5–3.2 mm long, caducous. Stamens 7 or 8. Ovary glabrous. Capsule 4-winged, broadly elliptic or broadly obovate in lateral view, 8.5–14.5 mm long, 10–17 mm wide, glabrous; wings 3–6.5 mm wide, coriaceous; dehiscence septifragal.