It has smooth white or greyish bark, narrow lance-shaped adult leaves, flower buds in groups of three to seven, white flowers and urn-shaped or barrel-shaped fruit.Eucalyptus apiculata is a mallee with smooth white or greyish bark.

Young plants and coppice regrowth have leaves arranged in opposite pairs, linear to narrow lance-shaped leaves up to 160 mm (6 in) long and 8–20 mm (0.3–0.8 in) wide.

The flower buds are arranged in groups of three to seven, the groups on a peduncle 5–10 mm (0.2–0.4 in) long and the individual flowers a pedicel 2–5 mm (0.08–0.2 in) long.

[4][5][6] Eucalyptus apiculata was first formally described in 1902 by Richard Thomas Baker and Henry George Smith who published the description in a paper entitled A research on the eucalypts : especially in regard to their essential oils.

[7] The specific epithet (apiculata) is a Latin word meaning "apiculate", referring to the leaves.