辽宁医巫闾山种子植物区系研究

A floristic study on the seed plants from the Yiwul Mountains of Liaoning Province

医巫闾山约有野生种子植物 71 8种 ,隶属于 94科 362属之中。依据它们的现代分布 ,这些种被归纳成 2 3个分布区类型和 2 0个亚型。研究表明 ,医巫闾山植物区系属于温带性质 ,但在其发生发展过程中曾经历过与热带相联系的历史渊源。本区系地理联系广泛 ,尤以与东亚地区特别是与日本的联系较为密切 ,其次则是与北温带的联系 。

There are about 718 species of wild seed plants in the Yiwulü Mountains, belonging to 94 families and 362 genera. According to their present distribution, the species can be classified into 23 areal-types and 20 subtypes. The flora is temperate in nature, but it had some connection with tropical flora historically. It has the wide connection in geographical relationships. It is closely related with elements of E.Asia (especially with one of Japan) and secondly with North temperate elements. The principal part of the flora is composed of them.