Dioecious spreading shrub, to 1 m high. Leaves imparipinnate, 0.4–1 cm long excluding petiole; lateral leaflets 6–8, rarely 4, obovate to angular-obovate, concave above, 3-toothed, rarely to 6-toothed, entire, cuneate at base, 2.6–5 mm long, rarely to 7 mm, 1.5–3 mm wide, glabrous; terminal leaflet shorter, usually strongly recurved or hooked, otherwise similar to laterals; petiole 3–5.5 mm long. Flowers solitary, paired or 3-together; pedicels 3–6.5 mm long. Sepals 4, lanceolate to ovate, 1.6–3 mm long, persistent. Stamens 8. Ovary glabrous. Capsule 4-winged, transversely obovate or transversely elliptic in lateral view, 11–16 mm long, 8.5–14 mm wide, glabrous; wings 3–4.5 mm wide, membranous; dehiscence septifragal.