Mallee to 2.5 m high. Bark light grey to green-grey. Juvenile leaves alternate or subopposite, petiolate, broadly lanceolate, slightly discolorous. Adult leaves alternate, lanceolate, sometimes falcate or oblique, acuminate, thick; lamina 5.5–10.5 cm long, 1–3 cm wide, green, shiny; lateral veins just visible, at 35°–45°; intramarginal vein up to 1 mm from margin; petiole flattened, 12–20 mm long. Umbels 7-flowered; peduncle flattened, strongly ribbed, 10–20 mm long; pedicels flattened, 3–5 mm long. Buds ovoid-conical or ± fusiform; operculum conical, ribbed, 5–9 mm long, 7–8 mm wide; hypanthium obconical, ribbed, 7–8 mm long and wide. Fruits subglobular or hemispherical, strongly ribbed, 10–15 mm long, 12–16 mm wide; disc convex or flat, at rim level; valves 4, included. Seeds pyramidal, black. [For more recent description see subspecies profiles-Editor]