Eucalyptus roycei S.G.M.Carr, D.J.Carr & A.S.George

Mallee or tree to 6 m. Bark smooth, yellow-fawn to grey. Adult leaves opposite or alternate, lanceolate or ovate-lanceolate, sometimes falcate, acute, coriaceous; lamina 11–15 cm long, 2–2.7 cm wide, green; lateral veins prominent, at 25°–40°; intramarginal vein up to 1 mm from margin; petiole flattened, 10–30 mm long. Peduncle thick, 10–15 mm long; pedicels 2–4 mm long. Buds usually quadrangular, glaucous; operculum hemispherical or pyramidal, c. 7 mm long, 10 mm wide; hypanthium cupular, 8–9 mm long, c. 10 mm wide. Fruits cupular, quadrangular, 15–30 mm long, 15–25 mm wide, woody, glaucous; disc steeply descending; valves deeply included.

Grows in red calcareous sand with tall shrubland.