银杏系银杏科落叶乔木,高达40米。叶折扇形,形似鸭脚,故又名“鸭脚”。叶无背腹面,秀丽飘逸,风拂之翩然若舞。雌雄异株,四月间花叶同放,花期极短。其果如青杏,果核色白,故名为银杏,又名白果。 银杏为现存种子植物中最古老和最独特的一类,只一科一属一种,是几亿年前古生代树木,故有“活化石”之称。 宋初,白果成为贡品,并赐名银杏。欧阳修有诗:“绛囊初入贡,银杏贵中州”。杨万里也有咏银杏诗:“深 Ginkgo biloba deciduous trees, up to 40 meters. Leaf folding fan shape, shaped like a duck foot, it is also known as “duck feet.” The leaves are not back-bearded, they are elegant and graceful, and the wind is awe-inspiring. Dioecious, in April with the flowers and leaves, the flowering period is very short. The fruit is called green apricot and its core color is white. It is called ginkgo, also known as ginkgo. Ginkgo biloba is the oldest and most unique species in the existing seed plants. It is only one family and one genera. It was the tree of the Paleozoic era hundreds of millions of years ago and it is called the “living fossil.” At the beginning of the Song Dynasty, Gekko became a tribute and gave the name Ginkgo. Ouyang Xiu has poetry: “In the early days of the crop, you will pay tribute to the guizhou guizhou.” Yang Wanli also has a poem: "Deep