Eucalyptus suberea is a mallee or small tree that typically grows to a height of and forms a
lignotuber. It has rough, corky or flaky, grey to brownish bark on some or all of the trunk, smooth white, sometimes powdery bark above. Young plants and
coppice regrowth have bluish to light green leaves that are lance-shaped, long and wide. Adult leaves are the same shade of slightly glossy green on both sides, lance-shaped, long and wide, tapering to a
petiole long. The flower buds are arranged in leaf
axils on an unbranched
peduncle long, the individual buds on
pedicels long. Mature buds are oval, long and about wide with a conical
operculum. Flowering has been recorded in September, and the flowers are white. The fruit is a woody, shortened spherical
capsule long and wide with the valves ner rim level. ==Taxonomy and naming==