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奇花异果银杏是裸子植物中的独种,为中生代孑遗的珍贵树种,被誉为地球上的活化石。大约在1亿年以前,银杏是一个兴旺的家庭,分布几乎遍及全球。由于第四纪冰川侵入,欧洲、北美洲的银杏全部灭绝。我国栽培银杏的历史十分悠久。据记载,早在三国时代,银杏就盛产于江南。唐代中原已有,至宋代时则更为普遍。银杏在南宋时开始由我国传入日本直到18世纪初,才由日本传入欧洲、北美洲等地引种。银杏为落叶乔木,高可达40米以上,花期3-4月,种子成熟9-
Extraordinary flowers Ginkgo biloba is the only species of gymnosperms, precious relict species for the Mesozoic, known as living fossils on Earth. About 100 million years ago, ginkgo was a thriving home, distributed almost everywhere. As the Quaternary glaciers invaded, Europe, North America’s ginkgo all extinct. The history of cultivation of ginkgo in our country is very long. According to records, as early as the Three Kingdoms era, ginkgo on the rich in the Jiangnan. The Central Plains already existed in the Tang Dynasty, and were even more prevalent in the Song Dynasty. Ginkgo in the Southern Song Dynasty began to pass from China into Japan until the early 18th century before it was introduced from Japan to Europe and North America. Ginkgo is a deciduous tree, up to 40 meters high, flowering 3-4 months, the seeds mature 9-