Eucalyptus rowleyi is a mallee that grows to a height of and forms a
lignotuber. The bark is smooth grey to tan, and cream-coloured when new. The leaves on young plants and on
coppice regrowth are dull bluish green, egg-shaped, up to long and wide. Adult leaves are lance-shaped to broadly lance-shaped, mostly long and wide. The flower buds are borne in groups of seven or nine on a thickened
peduncle long, the individual flowers on
pedicels long. Mature buds are club-shaped, wide with a conical
operculum long. The flowers are white and the fruit are cylindrical to urn-shaped, long and wide. ==Taxonomy and naming==