Eucalyptus comitae-vallis Maiden

Mallee to 6 m. Bark rough, flaky to 1.5 m, then smooth, silvery or grey-brown above. Juvenile leaves ovate. Adult leaves lanceolate, sometimes falcate, often uncinate; lamina 5.5–8.5 cm long, 0.9–1.5 cm wide, pale green or yellow-green; lateral veins faint, at 30°–40°; intramarginal vein up to 1 mm from margin; petiole terete, 10–15 mm long. Umbels 7-flowered; peduncle terete, 10–15 mm long; pedicels 4–7 mm long. Buds subcylindrical or cylindrical-conical; operculum conical or hemispherical, apiculate, 2–3 mm long, 3–5 mm wide; hypanthium hemispherical or campanulate, 4–5 mm long and wide. Fruits subcylindrical, 5–7 mm long and wide; valves 3 or 4, level or exserted.

Grows in sand and occasionally clay in shrubland.