Dioecious erect shrub to 4.5 m high. Leaves simple, sessile, narrowly elliptic, acute, entire, attenuate at base, 3–5.5 cm long, 0.4–0.9 cm wide, sparsely pubescent on midrib and margin. Flowers in terminal panicles; pedicels 1.8–4.5 mm long. Sepals 3, rarely 4 in male flowers, ovate, 1.6–2.1 mm long, caducous. Stamens 6, rarely 8. Ovary pubescent. Capsule 3-winged, transversely elliptic in lateral view, 9.5–13 mm long, 12.5–17 mm wide, glabrous; wings 3.5–5.5 mm wide, membranous; dehiscence septifragal.