Mallee, usually to 3 m high, occasionally a tree to 6 m. Bark grey, grey-brown or green-brown. Juvenile leaves elliptic, grey-green. Adult leaves opposite, occasionally alternate, lanceolate, apiculate; lamina 3–6 cm long, 0.8–2.5 cm wide, green; lateral veins just visible, at 25°–30°; intramarginal vein up to 1 mm from margin; petiole channelled or flattened, 7–13 mm long. Peduncle quadrangular, 3–10 mm long; pedicels 3–8 mm long. Buds clavate; operculum depressed hemispherical, faintly cruciform-striate, 1–2 mm long, 3–6 mm wide; hypanthium campanulate, quadrangular, 4-toothed, 3–6 mm long and wide. Fruits quadrangular or ovoid, 8–12 mm long, up to 9 mm wide; disc narrow, descending; valves 3. [For more recent description see subspecies profiles-Editor]