It has rough ironbark on the trunk and branches, lance-shaped to curved adult leaves, flower buds in groups of seven, white flowers and cup-shaped fruit that are square in cross-section.

Eucalyptus quadricostata is a tree that typically grows to a height of 10–14 m (33–46 ft) and forms a lignotuber.

It has hard, rough, dark grey to black ironbark on the trunk and branches.

[2][3][4] Eucalyptus quadricostata was first formally described in 1985 by Ian Brooker in the journal Austrobaileya from material he collected near "Oakvale H.S.".

[3][5] This eucalypt is classified as "least concern" under the Queensland Government Nature Conservation Act 1992.