Ginkgo biloba L. is a large deciduous gymnosperm native to China. This species may be extinct in the wild, with the possible exception of a single population growing on Tian Mu Mountain in western Zhejiang province. Ginkgo biloba is dioecious, that is, male and female reproductive structures are formed on separate trees. Male trees are valued over females for ornamental usage, as the seeds are foul smelling (rancid butter). Female trees are prized in China and Japan as the seeds are edible. Recently extracts from this plant have been used in herbal medicine.

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