Mallee to 4 m. Bark white, pale grey or light brown. Juvenile leaves narrowly lanceolate, green, slightly discolorous. Juvenile or intermediate leaves often persist in mature mallees. Adult leaves subopposite or alternate, narrowly lanceolate, acuminate, thick; lamina 7–12 cm long, 0.6–1.5 cm wide, green, shining; lateral veins prominent, at 30°–40°; intramarginal vein up to 2 mm from margin; petiole slightly flattened, usually 4–10 mm long, sometimes absent. Conflorescence axillary; peduncle terete or quadrangular, 2–5 mm long; pedicels 1–3 mm long. Buds clavate or turbinate, ±quadrangular, 4-toothed; operculum low hemispherical, 1–2 mm long, 3–4 mm wide; hypanthium truncate-pyriform, 4–6 mm long, 3–4 mm wide. Fruits ±quadrangular, subcylindrical, 8–12 mm long, 5–6 mm wide, shortly 4-toothed, almost sessile, thin; disc descending; valves 3, broad, deeply included.
Grows on sand plains, stony rises, plateaus and scree slopes, in shrubland and Triodia grassland.