Appearance
"Corymbia gummifera" is a tree that typically grows to a height of 20–35 m, rarely a mallee, and forms a lignotuber. Young plants and coppice regrowth have leaves that are paler on the lower surface, egg-shaped to lance-shaped, 90–165 mm long and 30–52 mm wide, and petiolate. Juvenile leaves are opposite on the stem for a few pairs, then disjunct. Adult leaves are glossy dark green, paler on the lower surface, lance-shaped, 55–160 mm long and 15–50 mm wide, tapering to a petiole 8–23 mm long. The flower buds are arranged on the ends of branchlets on a branched peduncle 17–33 mm long, each branch of the peduncle with seven buds on pedicels 2–15 mm long. Mature buds are oval to pear-shaped, 8–12 mm long and 4–6 mm wide with a conical to rounded or slightly beaked operculum. Flowering occurs from December to June and the flowers are creamy white. The fruit is a woody urn-shaped capsule 12–22 mm long and 9–18 mm wide with the valves deeply enclosed in the fruit.
Distribution
"Corymbia gummifera" mainly occurs on flats and low hills along the coast between the extreme eastern corner of Victoria and south-eastern Queensland. It grows best on moist, rich, loamy soil, but is also commonly found on poorer sandy soils.Uses
The heartwood of "C. gummifera" is very strong and durable, but has extensive gum lines. It is used for rough construction purposes, such as poles, sleepers, fencing and mining timbers."Corymbia gummifera" may be used as a rootstock, onto which the ornamental "C. ficifolia" is grafted.
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