Eucalyptus olsenii L.A.S.Johnson & Blaxell

Tree to 12 m. Adult leaves lanceolate, often falcate; lamina 8–12 cm long, 1.5–2 cm wide; lateral veins faint or just visible, at c. 35°; intramarginal vein up to 1 mm from margin; petiole channelled, 8–14 mm long. Peduncle terete, angular or flattened, thick, often recurved, 5–8 mm long; pedicels absent or up to 2 mm long. Operculum conical, 4–5 mm long, 6–7 mm wide; hypanthium obconical, 2-ribbed, 5–6 mm long, 6–7 mm wide. Fruits 15–20 mm long, 14–18 mm wide.

Grows on high ridges and slopes, in pure stands.