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银杏又名白果,是人们熟知的一种树木。不了解它的身世的人,看起来似乎平淡无奇,但说来却还有一段不平凡的来历! 银杏在裸子植物中是独立的一类,比在四川发现的水杉的起源更早,它的祖先可以追溯到亿万年以前。远在两亿七千多万年前的古生代石炭纪末期,银杏类就已开始发生。到了一亿七千多万年前的中生代侏罗纪,银杏在地球上极为繁盛,正如当时生活着的恐龙一样普遍,成为当时北半球森林组成中的重要树种之一。
Ginkgo biloba, also known as ginkgo, is a well-known type of tree. People who do not understand its life experience may seem ordinary, but there is still an unusual origin! Ginkgo is an independent species in gymnosperms, earlier than the origin of metasequoia found in Sichuan, it The ancestors can be traced back to millions of years ago. At the end of the Paleozoic Carboniferous period of more than 270 million years ago, Ginkgo had already begun to occur. To the Jurassic period of the Mesozoic generation of more than 170 million years ago, Ginkgo biloba was extremely prosperous on the earth. It was as common as the dinosaurs that lived at the time and became one of the most important tree species in the northern hemisphere.