Dioecious erect shrub to 3 m high. Leaves sessile, usually simple, sometimes irregularly pinnate with 1–10 leaflets; simple leaves 3.5–8.3 cm long, 0.2–0.5 cm wide; leaflets 0.6–3 cm long, 0.2–0.3 cm wide; lamina of simple leaves and leaflets linear to linear-lanceolate, acute, entire and revolute, attenuate at base, glabrous. Flowers in axillary cymes; pedicels 3.5–10 mm long, rarely to 12.5 mm. Sepals 4, ovate, 1.5–2.3 mm long, caducous. Stamens 8. Ovary glabrous. Capsule 4-winged, transversely oblong in lateral view, 5–6.5 mm long, 15–25 mm wide, glabrous; wings 6.5–10 mm wide, membranous or rarely coriaceous; dehiscence septifragal.