Mallee to 6 m, usually to 3 m. Bark grey to grey-brown. Juvenile leaves opposite, sessile, becoming alternate, petiolate, ovate, discolorous. Adult leaves narrowly lanceolate, sometimes falcate, acute; lamina 5–9 cm long, 0.8–1 cm wide, grey-green; lateral veins faint, at 30°–40°; intramarginal vein up to 1 mm from margin; petiole slightly flattened, 6–8 mm long. Umbels 7–11-flowered; peduncle terete to quadrangular, 10–15 mm long; pedicels quadrangular, 4–5 mm long. Buds clavate or obovoid; operculum hemispherical, sometimes apiculate, c. 2 mm long and wide; hypanthium truncate pyriform or obconical, c. 5 mm long and wide. Fruits globular, 18–25 mm long, 20–30 mm wide, wrinkled when dried. Seeds D-shaped, black or dark brown with several ridges, winged.