Gongsun Tree: Ginkgo biloba (scientific name: GinkgobilobaL). ) is a deciduous tree of Ginkgo in Ginkgoaceae. Ginkgo biloba, which appeared hundreds of millions of years ago, is the oldest relic of gymnosperms left over from the Quaternary glacial movement. Now, ginkgo biloba is very rare, and there are few trees that have been around for hundreds of years. Other plants in the same class are extinct, so Ginkgo biloba has the reputation of living fossil. There are 26 varieties and varieties: ginkgo, ginkgo, ginkgo, ginkgo.

The fruit of ginkgo tree is commonly known as ginkgo, so ginkgo is also known as ginkgo tree. Ginkgo trees grow slowly and have a very long life. Under natural conditions, ginkgo trees need more than 20 years from planting to fruiting, and it takes 40 years to bear a large number of fruits. Therefore, some people call it "gongsunshu", which means "public planting, grandchildren get food". It is a longevity star in trees, which has ornamental, economic and medicinal values.