Eucalyptus glaucina, commonly known as the slaty red gum,[2] is a species of small to medium-sized tree endemic to New South Wales.

It has smooth, white and grey bark, lance-shaped adult leaves, flower buds in groups of seven, white flowers and hemispherical fruit with the valves protruding well above the level of the rim.Eucalyptus glaucina is a tree that typically grows to a height of 18–30 m (59–98 ft) and forms a lignotuber.

It has smooth, mottled white and grey bark that is shed in large plates or flakes.

[2][3][4][5] Slaty red gum was first formally described in 1934 by William Blakely who gave it the name Eucalyptus umbellata var.

The name was published in Blakely's book, A Key to the Eucalypts from specimens collected by John L.