银杏又名白果、公孙树、鸭掌树。银杏为一科一属一种植物,为我国特产,是世界上残存的最古老的植物活化石之一。银杏发现于古代石炭末期,至中生代三叠纪、佐罗纪,种类繁盛。中生代早期的银杏为现代银杏的远祖,第四纪冰期后仅孑遗银杏一种,也是现在地球上存在的最古老的高等植物。古 Ginkgo, also known as ginkgo, Gongsun Shu, duck palm tree. Ginkgo biloba is a genus of plants belonging to the specialties of our country and one of the oldest living plant fossils in the world. Ginkgo was found in the ancient Carboniferous period, to the Mesozoic Triassic, Zorro, prosperous species. In the early Mesozoic, ginkgo was the ancestor of modern ginkgo. Only after the Quaternary ice age was ginkgo relict, which is also the oldest existing higher plant on earth. ancient