Polygamo-dioecious erect shrub to 1.5 m high. Leaves simple, narrowly elliptic, acute or obtuse, irregularly serrulate, attenuate at base; lamina 3.5–7.2 cm long, 0.6–1.2 cm wide, glabrous; petiole 1–2.5 mm long. Flowers in 3–6-flowered cymes; pedicels 2–2.5 mm long. Sepals 4, ovate, 2–2.3 mm long, caducous. Stamens 6–8. Ovary glabrous. Capsule 3-or 4-winged, broadly elliptic or broadly obovate in lateral view, 14–17 mm long, 13–15 mm wide, glabrous; wings 4–5 mm wide, membranous; dehiscence septifragal.