Argyrodendron trifoliolatum

About

Argyrodendron trifoliolatum is an Australian rainforest tree. It is native to eastern Queensland and northeastern New South Wales, Australia, where it is known as white booyong. The locality of Booyong, New South Wales, is named after the tree. It can grow up to 45 metres tall. Its flowers, produced in great numbers from July to September, are creamy-colored and bell-shaped. The most distinctive feature of Argyrodendron trifoliolatum is that the trunks form large characteristic buttresses.

Summary from Wikipedia