长沙贡玛高寒湿地自然保护区种子植物区系成分分析

A Floristic Study of Seed Plants in Changshagongma Alpine Swamp Nature Reserve

通过对长沙贡玛高寒湿地自然保护区内种子植物的调查及其科、属的分布区类型统计,得出保护区种子植物具有如下区系特征:区系成分较为简单;种子植物起源古老,少种科和单种科、少种属和单种属丰富,优势科明显;种子植物地理成分较为简单,明显具温带性质;中国特有属较丰富。

Based on the statistics and analysis of areal types of families and genera in the flora of Changshagongma Alpine Swamp Nature Reserve, the floristic characteristics of the seed plants there were summarized as follows. The components are simple and the origin of its flora is ancient. Monotypic and Oligotypic of families and genera are rich. Dominant families are prominent. Geographical components are simple too. Characters display temperate zone. Endemics to China are outstanding.