Tree to 11 m. Bark smooth, red-brown to grey, with flaky grey-black rough bark at base. Juvenile leaves alternate, elliptic to ovate. Adult leaves alternate, lanceolate; lamina 10–13 cm long, 2–3 cm wide, shining, green; lateral veins distinct, at 30°–40°; intramarginal vein up to 2 mm from margin; petiole 20–35 mm long. Peduncle glaucous, 10–20 mm long. Operculum glaucous, 10–15 mm long, 7–10 mm wide; hypanthium glaucous, campanulate, 8–10 mm long, 7–10 mm wide. Fruits campanulate, faintly several-ribbed, 13–15 mm long, 10–13 mm wide; valves exserted.