It is a stringybark with lance-shaped adult leaves, flower buds arranged in group of nine or eleven, white flowers and hemispherical fruit.Eucalyptus blaxlandii is a tree that grows to a height of 30–35 metres (98–115 ft) and forms a lignotuber.

Young plants and coppice regrowth have glossy lance-shaped to egg-shaped leaves 40–80 mm (1.6–3.1 in) long, 15–40 mm (0.6–2 in) wide that are a different green on the opposite sides of the leaves and have a petiole.

The description was published in Journal and Proceedings of the Royal Society of New South Wales.

[7] The specific epithet (blaxlandii) honours Gregory Blaxland, "who was leader of the first party to cross the Blue Mountains, where many trees of this species are found".

[8] Blaxland's stringybark grows in forest on sandstone on the Central and Southern Tablelands from Nullo Mountain near Kandos and south to the Dampier State Forest near Bodalla.