Corymbia collina

Corymbia collina, commonly known as silver-leaved bloodwood, is a species of tree that is endemic to Western Australia. It has thin patchy rough bark on some or all of the trunk, smooth white to pale grey bark above, lance-shaped to curved adult leaves, flower buds in groups of seven, creamy white flowers and barrel-shaped fruit.

Description
Corymbia collina typically grows to a height of 7-18 m and forms a lignotuber. It has rough, patchy, fibrous to flaky, tessellated bark on part or all of the trunk, smooth white or cream-coloured to pale grey bark above. Young plants and coppice regrowth have heart-shaped to egg-shaped leaves 55-130 mm long and 40-70 mm wide. Adult leaves are glossy green, lance-shaped to curved, 92-235 mm long and 10-30 mm wide, tapering to a petiole 10-37 mm long. The flower buds are arranged on the ends of branchlets on a branched peduncle 5-35 mm long, each branch of the peduncle with seven buds on pedicels 5-28 mm long. Mature buds are oval, 13-16 mm long and 10-11 mm wide with a rounded to bluntly conical operculum. Flowering occurs from April to June and the flowers are creamy white. The fruit is a woody, barrel-shaped capsule 26-37 mm long and 18-25 mm wide with the valves enclosed in the fruit.

Taxonomy and naming
The name Eucalyptus collina first appeared in the Western Mail newspaper on 2 June 1906 in an article written by William Vincent Fitzgerald. The first formal description of the species was published in 1923 by Joseph Maiden in his book, A Critical Revision of the genus Eucalyptus, from an unpublished description by Fitzgerald. In 1995, Ken Hill and Lawrie Johnson changed the name to Corymbia collina.

Distribution and habitat
The silver-leaved bloodwood grows on rocky ranges, tablelands and slopes in the Wunaamin Miliwundi Ranges and Bungle Bungle Range areas in the Kimberley region of Western Australia.