Cadellia is a monotypic genus of trees in the botanical family Surianaceae

Surianaceae

Surianaceae is a family of plants in the order Fabales. It has an unusual distribution: the genus Recchia is native to Mexico, and the sole member of Suriana, S. maritima, is a coastal plant with a pantropical distribution; and the remaining three genera are endemic to Australia.They range in...

. The sole species, Cadellia pentastylis, commonly known as Ooline, is a medium to large tree

Tree

A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...

 with bright green leaves and rough tile-pattern bark. It has rain-forest origins dating from the Pleistocene

Pleistocene

The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

 Era when much of 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...

 was wetter than it is today. It grows on moderately fertile soils. Due to extensive clearing, it is now considered vulnerable in Australia.

Stands of Ooline are found in Sundown National Park

Sundown National Park

Sundown is a national park in Queensland, Australia, 198 km southwest of Brisbane. The parks contains spectacular gorge country and a number of peaks higher than 1,000 m.-Landforms:...

 and Tregole National Park

Tregole National Park

Tregole is a national park in Queensland, Australia, 603 km west of Brisbane. Until the gazetting of the park in 1975, the area was a grazing property. The park is located where the brigalow and mulga biospheres meet and has a representative sample of semi-arid ecosystems.The park contains...

 in 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 NSW they may be found in scattered localities in the north of the state; such as around Tenterfield and Terry Hie Hie near Moree

Morée

Morée is a commune in the Loir-et-Cher department of central France.-See also:*Communes of the Loir-et-Cher department...

.