Tree or mallee to 11 m. Bark rough, dark grey on trunk and lower branches, smooth, grey above. Juvenile leaves not seen. Adult leaves alternate, lanceolate, sometimes falcate, acuminate, lamina 10–15 cm long, 2–3.5 cm wide, pale green; lateral veins faint, at 35°–45°; intramarginal vein up to 1 mm from margin; petiole terete, 20–30 mm long. Umbels 3-flowered; peduncle terete, thick, recurved, 10–20 mm long; pedicels absent or thick, to 8 mm long. Buds subglobular; operculum hemispherical or sometimes conical, strongly ribbed, 25–40 mm long and wide; hypanthium hemispherical to turbinate, strongly ribbed, 20–25 mm long, 25–35 mm wide. Fruits turbinate or hemispherical, strongly ribbed, 25–38 mm long, 35–70 mm wide; disc concave, ascending; valves 4–6, exserted. Seeds irregularly crescent-shaped, narrowly winged, ridged on ventral surface, brown or dark brown.