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银杏,为我国所特产。又名白果树、公孙树。象水杉一样是第四冰河期后的孑遗植物。可以活到千年以上。属银杏科,落叶乔木,叶扇形。雌雄异株。种子核果状,椭圆形或倒卵形。外种皮肉质,有白粉,熟时呈淡黄色或橙黄色。种仁可供食用(但不可过量)。外种皮可提栲胶。木材细软,可供建筑、家具、雕刻工艺品等用。在中医上可用此种子制药,主治哮喘咳嗽、遗精、带下、小便频繁等症。郭沫若同志曾于一九四二年五月以《银杏》为题,写了一篇热情洋溢的散文。这篇散文以
Ginkgo biloba is a specialty of our country. Also known as white fruit tree, Gongsun tree. Like the Metasequoia, it is a relict plant after the fourth ice age. Can live to more than a thousand years. Ginkgoaceae, deciduous trees, leaf fan. Dioecious. Seeds drupe-shaped, elliptic or obovate. Exocarp fleshy, with white powder, pale yellow or orange yellow when cooked. The kernels are edible (but not excessive). Seed coat can be raised. The wood is soft and can be used for construction, furniture, carving crafts, etc. This seed can be used in traditional Chinese medicine to treat asthma cough, spermatorrhea, vaginal discharge, frequent urination embolism. Comrade Guo Moruo wrote a passionate prose in May 1942 with the theme of “Ginkgo biloba”. This prose is