小兴安岭莎草科植物资源调查

[目的]调查小兴安岭莎草科植物资源,为小兴安岭莎草科植物资源的保护和合理开发利用提供理论依据。[方法]采用野外调查和标本鉴定的方法,对该区莎草科植物属种的组成、分布区类型和区系特征进行研究。[结果]该区共有莎草科植物6属83种(含变种),且优势属明显,寡种属占总属数的50.00%。在属的分布类型上,以世界分布为主,且无中国特有属。[结论]小兴安岭莎草科植物组成丰富,区系地理成分多样。

Investigation on Plant Resources of Cyperaceae in the Xiaoxingan Mountains

[Objective] To investigate plant resources of Cyperaceae in the Xiaoxingan Mountains,and provide the basis for the development and utilization of Cyperaceae resource in the Xiaoxingan Mountains.[Method]Based on the field survey and identification of specimens, the species diversity, distribution type of genera, floristic character of Cyperaceae plants were statistically analyzed in the Xiaoxingan Mountains.[Result]There were 83 species belonging to 6 genera of Cyperaceae.The dominant genera were prominent, and the percentage of few-species genera reached 50.00%.The Cyperaceae plants in the region showed the cosmopolitan floral character.And there was no Chinese endemic genera.[Conclusion]Cyperaceae plants in the Xiaoxingan Mountains have abundant plant components and many geographical elements in flora.