我国有木本植物约七千多种,其中乔木二千多种。北美洲只有乔木六百多种,欧洲仅有二百五十种。世界公认我国是树木的宝库,是世界上木本植物种类最多的国家之一。外国没有而我国独有的乔木属,如金钱松、台湾杉、水松、珙桐、杜仲、香果树等,共五十多属。别国早已绝迹而在我国独存的珍贵树 There are about 7000 species of woody plants in our country, of which more than 2,000 are trees. There are only 600 species of arbors in North America and only 250 species in Europe. The world recognizes that our country is a treasure trove of trees and one of the countries with the most species of woody plants in the world. Foreign countries without our unique ark genus, such as money pine, Taiwan fir, cork, Davidia, Eucommia, fragrant fruit trees, a total of more than 50 genera. Other countries have long been extinct and precious tree in our country alone