Dioecious, erect shrub to c. 2.5 m high; branchlets angular, ribbed or flattened. Leaves simple, elliptic, rarely obovate, 4.5–9.5 cm long, 1.5–4.0 cm wide, acute, margin revolute, surfaces glabrous, not viscid, usually white-spotted below; petiole 4–10.5 mm long. Flowers in axillary few-flowered cymes, sometimes solitary; pedicels 3.5–8.5 mm long; sepals 4, lanceolate to ovate, 2–3.4 mm long, caducous; stamens 8, longer than sepals; ovary glabrous. Capsule 4-winged, depressed-obovate or transversely elliptic in outline, 10–13 mm long, 15–24 mm wide, glabrous, wings 6–8.5 mm wide, membranous; seeds lenticular, 2.8–3 mm long, black, dull, exarillate. Flowers spring and summer.