Eucalyptus is an ancient plant from the days of Gondwana; the oldest known eucalyptus fossils, found in Patagonia, show evidence of flowers, fruits and leaves that date back 52 million years. Many primordial plant species were preserved on the Australian continent after its isolation, most notably the eucalyptus; of the approximately 900 species of Eucatyptus, about 95% are native to Australia. Eucalyptus radiata, also known as Narrow-leaved Peppermint Eucalyptus, belongs to the Myrtle family (Myrtaceae) and is native to southeastern Australia. The evergreen tree can grow up to 50 metres tall and has long, lanceolate greyish-green leaves; in spring and early summer it also bears creamy-white flowers, which develop into small woody seed pods. Traditionally, the aromatic leaves and bark were used by the indigenous people of Australia, both for everyday use and ceremonial purposes.