Tree to 11 m. Bark to 4 m rough, dark grey, slightly fissured, then smooth, grey-brown above. Juvenile leaves lanceolate. Adult leaves lanceolate, sometimes falcate, acuminate or uncinate; lamina 9–12 cm long, 1.5–2 cm wide, dull, grey-green; lateral veins faint, at 35°–40°; intramarginal vein up to 2 mm from margin; petiole terete, 15–20 mm long. Umbels 7-flowered; peduncle slender, terete, recurved, 15–32 mm long; pedicels 13–20 mm long. Buds cylindrical; operculum rostrate, corrugated at base, 10–15 mm long, 8–10 mm wide; hypanthium cylindrical, smooth or striate, swollen and corrugated at base, 8–10 mm long, 6–8 mm wide. Fruits subcylindrical or ovoid, striate, 12–15 mm long, with a swollen corrugated base 8–12 mm wide; disc descending steeply, broad; valves 4, level.