Trees, 30 – 40 (-50) m tall with 10 – 12 m wide crown or canopy. Bark hard, deeply furrowed and ridged, grey, persistent on trunk upward to the small branches. Leaves alternate, petiole 12 – 22 mm long, lamina lanceolate, 9.5 – 15 x 1.2 – 2.4 cm, thin, green, acuminate, discolorous. Panicle generally terminal of 3 – 6-flowered umbels, occasionally axillary; peduncles 6 – 16 mm long. Flowers c. 2 cm across, white, pedicel 2 – 10 mm long, strongly quadrangular. Buds obovoid to fusiform, (7-)8 – 10(-11) mm long, with 3 – 4 mm long and broad, conical calyptra; hypanthium obovoid, 4 – 5 x 4 – 5 mm. Fruit variable in shape, ovoid, hemispherical, obconical or pyriform, 5 – 9 x 5 – 7 mm, usually inconspicuously ribbed; disc obscured by staminal ring, descending; valves 4 or 5, level or ± enclose. Seeds ovoid, slightly compressed, shallowly reticulate, brown.