Trees, 10 - 25 (-30) m tall 8 – 12 m wide, lax, rounded to spreading crown, mostly solitary, crooked trunk . Bark hard, ridged and deeply furrowed, iron-colored or brown-black to almost black, persistent on the small branches, tender shoots smooth and light grey. Leaves alternate, petioles terete, 10 – 20 mm long, lamina lanceolate to narrowly lanceolate, 7 – 14 x 1.2 – 1.8 cm, green, grey-green or bluish, acuminate or uncinate. Intramarginal vein up to 2 mm from leaf margins. Umbel simple, axillary, usually 7-flowered, peduncles 7 – 20 mm long. Pedicels 2 – 15 mm long, flowers white, pink, red or pale-yellow. Buds ± ovoid, 7 – 11 mm long, with 3 – 5 x 4 – 5 mm calyptra; hypanthium 4 – 6 mm long and as wide as operculum. Fruits barrel-shaped to ovoid, subglobose or urceolate, 5 – 11 x 6 – 10 mm; disc broad, descending, mostly obscured by a persistent staminal ring, valves 5, included. Seeds ovoid or compressed-ovoid, brown or grey.