Ginkgo biloba is a deciduous tree and the only extant species of the family Ginkgoaceae. It originates from China, where its cultivation probably allowed the species to survive. It is also the oldest species of tree living today and the other plants belonging to the same order are known only as fossils. Ginkgo biloba is sometimes called maidenhair tree; its strength and its resistance to pollution make it a fairly common ornamental tree in city streets and parks.
Its therapeutic properties include antioxydant and vasodilator effects and it is often associated with the treatment of disorders related to ageing.