The ancient ginkgo forest is located in Longmenchang Forest Park, Zhongxian Township, Youxi County, Sanming City, Fujian Province. There are 353 ancient ginkgo trees in Fiona Fang 100 mu. Ginkgo trees were planted during the official silver mining period in the Southern Song Dynasty, and the oldest trees are more than 800 years old. Longmen ancient cave is covered with clouds and fog, and Fujian is scattered in the Middle Ages. Thousand-year-old trees, official silver mining sites and ancient dwellings are well preserved and still retain the historical features of the Ming and Qing Dynasties. There are 37 natural landscapes and other landscapes such as humanities in the scenic spot 19.
Originated in Carboniferous (345 million years), Ginkgo biloba originated in Permian (250 million years), and Ginkgo biloba originated in Early Jurassic 65.438+0.9 billion years ago. The existing history of Ginkgo biloba can be traced back to the Paleocene (Early Tertiary) 70 million years ago.
In the late Cretaceous and Cenozoic, Ginkgo gradually turned from prosperity to decline. After the Quaternary Glacier, Ginkgo biloba in Central Europe and North America became extinct, and only one variety was preserved in China. The value of Ginkgo biloba is not only that it can survive across the historical period, but more importantly, it can maintain the genetic stability of this species during this long geological period.