Tree to 45 m. Bark rough, compact, hard, grey-brown on lower trunk, then smooth and white-green to light brown-grey above. Juvenile leaves opposite, sessile, sometimes amplexicaul, lanceolate, green, slightly discolorous. Adult leaves alternate, narrowly lanceolate, acuminate; lamina 8.5–20 cm long, 0.7–1.5 cm wide, dull, green, concolorous; lateral veins faint, at 25°–40°; intramarginal vein up to 1 mm from margin; petiole terete or slightly flattened, 6–12 mm long. Umbels 3-flowered; peduncle angular, 2–5 mm long; pedicels absent or rarely to 1 mm long. Buds ovoid, sometimes slightly angular; operculum conical, 1–2 mm long, 2–3 mm wide; hypanthium cylindrical to obconical, 2–3 mm long and wide. Fruits obconical or campanulate, with flared rim, 3–5 mm long, 3–6 mm wide; disc moderately broad, convex or ascending; valves 3 or 4, exserted.