Eucalyptus acaciiformis is a tree that grows to a height of  and has rough, fibrous or stringy, grey to grey-brown bark. The leaves on young plants are elliptic in shape,  long and  wide. Adult leaves are dull green to grey-green on both sides, lance-shaped and  long and  wide on a petiole  long.
Eucalyptus acaciiformis is a tree that grows tall with rough, fibrous or stringy, grey to grey-brown bark. Young plants have elliptic leaves that are long and wide. As the tree matures, its leaves become dull green to grey-green on both sides, lance-shaped and long and wide on a petiole that is long.