It has smooth, shiny bark on the trunk and branches, glossy green, linear to narrow lance-shaped adult leaves, flower buds arranged in groups of between eleven and fifteen, white flowers and spherical fruit with a narrow neck.Eucalyptus brockwayi is a tree that typically grows to a height of 15 to 25 metres (49 to 82 ft) but does not form a lignotuber.

It has smooth, shiny light grey, pinkish and creamy white bark on its trunk and branches.

[3][4][5][6] Eucalyptus brockwayi was first formally described in 1943 by Charles Gardner and the description was published in Journal of the Royal Society of Western Australia.

[7][8] The specific epithet (brockwayi) honours George Ernest Emerson Brockway, for his contribution to "knowledge of the genus Eucalyptus" in eastern parts of Western Australia.

[3][6] Eucalyptus brockwayi is classified as "Priority Three" by the Government of Western Australia Department of Parks and Wildlife[4] meaning that it is poorly known and known from only a few locations but is not under imminent threat.