Eucalyptus propinqua, known as the Grey Gum or Small fruited Grey Gum is a common eucalyptus

Eucalyptus

Eucalyptus is a diverse genus of flowering trees in the myrtle family, Myrtaceae. Members of the genus dominate the tree flora of Australia...

 tree of eastern Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

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It can grow to 50 metres in height, though is mostly seen between 20 and 30 metres tall. Growing north from Wyong in New South Wales

New South Wales

New South Wales is a state of :Australia, located in the east of the country. It is bordered by Queensland, Victoria and South Australia to the north, south and west respectively. To the east, the state is bordered by the Tasman Sea, which forms part of the Pacific Ocean. New South Wales...

 up to south east Queensland

Queensland

Queensland is a state of Australia, occupying the north-eastern section of the mainland continent. It is bordered by the Northern Territory, South Australia and New South Wales to the west, south-west and south respectively. To the east, Queensland is bordered by the Coral Sea and Pacific Ocean...

, in high rainfall areas, prone to fire. Leaves eaten by koalas. Yellow-bellied glider

Yellow-bellied Glider

The Yellow-bellied Glider is an arboreal and nocturnal gliding possum that lives in a narrow range of native eucalypt forests down eastern Australia, reaching from northern Queensland to Victoria.-Habitat:...

s eat the sap of the Grey Gum.

Timber

The timber is very hard and heavy. Used for poles, piles, sleepers, heavy engineering construction, marine construction, flooring, and decking.