北京松山植物的研究

松山有维管束植物109科413属783种及变种,有4个新变型。植物区系属于泛北极植物区,中国-日本亚区。以温带分布类型为主。植物群落有9个类型。已知有用资源植物有11类,以药用植物种类最多,有326种,其次是油脂植物、纤维植物、鞣料植物等,用材树木只有53种,但真正能作用材的树种不过20种。对42种重要资源植物的蕴藏量进行了估测。

A Study on the Plants of Mt.Songshan, Beijing

Mt. Songshan is situated in the northwest of Beijing. There are 783 species and varieties of flora belonging to 109 families and 413 genera. Four new forms are reported. The flora belong to the Holarctic Region, Sino-Japanese Floristic Subregion. Distribution is primarily of the temperate type. There are nine types of plant community and eleven wild plant forms which have been identified. They are timber plant, medical plant, fat or oil plant, fibre plant, tannin plant, starch plant, fragrant plant, wild vegetable plant, wild fruit plant, poison plant and nectariferous plant. There are 326 species of medical plants. There are 53 species of trees but only about 20 can be used for commercial timber. The reserves of 42 species of principal plants have been estimated.