Tree to 25 m. Bark rough, fibrous, hard, with longitudinal fissures on trunk and larger branches, then smooth and grey above. Juvenile leaves linear, green, concolorous. Adult leaves narrowly lanceolate to lanceolate, acute or acuminate, thin; lamina 8–18 cm long, 0.7–1.7 cm wide, slightly shining, green; lateral veins at 30°–40°; intramarginal vein up to 1 mm from margin; petiole terete or slightly flattened, 10–20 mm long. Umbels 7-flowered; peduncle thick, angular, 4–20 mm long; pedicels absent or angular, to 5 mm long. Buds ovoid or fusiform; operculum conical, 5–9 mm long, 4–6 mm wide; hypanthium obconical, 2–3 mm long, 4–6 mm wide. Fruits ovoid or subglobular, 5–8 mm long, 4–9 mm wide; disc broad, steeply ascending; valves usually 4, strongly exserted. Seeds brown-black.