银杏是众所周知的老树种。它属于银杏科银杏属,只有银杏一个种和几个变种,是现存种子植物中最古老的一种。银杏的化石种类在石炭纪、二叠纪、三叠纪及侏罗纪地层中可以找到。产在中国与日本,多见于寺庙中,大半是被僧人保存下来,栽培的虽较普遍,但野生的很难找到,据说,在浙江省天目山区还有少数野生植株,确否似尚无定论。银杏是高大的落叶乔木。在中国、日本与韩国还能见到古树,在北京、庐山黄龙寺有巍峨的古树,江苏泰兴和洞庭山则普遍种植炒食白果用的银杏树,有好几个品种,多用嫁 Ginkgo is a well-known old species. It belongs to Ginkgo biloba, only one species and several varieties of ginkgo, is the oldest of the existing seed plants. The fossil species of Ginkgo biloba can be found in the Carboniferous, Permian, Triassic and Jurassic formations. Produced in China and Japan, more common in the temple, most of them are preserved by the monks, cultivation is more common, but difficult to find in the wild, it is said that in Zhejiang Tianmu Mountain there are a few wild plants, it does not seem conclusive . Ginkgo is tall deciduous tree. In China, ancient trees can be seen in Japan and South Korea. In Beijing, Lushan Huanglong Temple has towering old trees. Taixing and Dongting Mountains in Jiangsu Province are commonly planted with ginkgo trees for gingko fruit, there are several varieties, more than married