Eucalyptus formanii C.A.Gardner

Tree, occasionally a mallee, to 11 m. Bark rough, flaky, grey to 5 m, then smooth, grey to grey-brown above. Juvenile leaves crowded, appearing to be in clusters of three, linear, grey, concolorous. Adult leaves linear, thick; lamina 5–9 cm long, 0.2–0.4 cm wide, pale green; lateral veins obscure, at c. 50°; intramarginal vein obscure but almost confluent with margin; petiole terete, 2–5 mm long. Umbels 7–11-flowered; peduncle quadrangular, 5–8 mm long; pedicels terete, 3–4 mm long. Buds fusiform; operculum conical, 3–4 mm long, c. 3 mm wide; hypanthium obconical, 2–3 mm long, c. 3 mm wide. Fruits hemispherical or subcylindrical, 3–4 mm long, 3–5 mm wide; valves exserted.

Grows in lateritic or rocky sand, in low woodland and scrubland.