Brachychiton collinus, or Outcrop Kurrajong, is a small deciduous tree found growing in some of the harshest climatic conditions in Australia. This small tree is commonly found between Cloncurry and Mount Isa in North-West 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...

, 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...

. The North-West savannah zone of Queensland is characterised by very high summer temperatures of up to 50 degrees Celsius and an unpredictable monsoonal rainfall that may deliver the whole annual rainfall of some 50 cm overnight. This tree most often grows on rocky outcrops where little other scrub, grasses or other understory plants can survive. It is probable that this preference for bare rocky outcrops is a function of the tree's sensitivity to fire. Most brachychiton

Brachychiton

Brachychiton is a genus of 31 species of trees and large shrubs, native to Australia , and New Guinea . Fossils from New South Wales and New Zealand are estimated to be 50 million years old, corresponding to the Tertiary.They grow to 4 – 30m tall, and some are dry-season deciduous...

species do not survive a strong grass or brush fire.