Shrub, or tree to 10 m high. Leaves opposite or in whorls of 3 or 4 or rarely subopposite or alternate, simple; petiole 0.3–1 cm long; lamina elliptic to obovate, or narrowly so, 2.3–12 cm long, 1–4 cm wide; secondary veins (sometimes obscure) 9–12 on each side of midrib, divergent at angle of 65–70°. Inflorescences 1–few-flowered, to 0.7 cm long; pedicels obsolete or to 1.5 mm long. Sepals 1–1.5 mm long, abaxially glabrous. Petals distinct, 2.5–3.5 mm long, white with red tips or cream, abaxially minutely puberulous towards apex, otherwise glabrous, subpersistent in fruit. Staminal filaments distinct, villous at margin; antisepalous ones often with papillate glands towards apex. Stigma clavate. Follicles 4–5 mm long.