小兴安岭蔷薇科植物区系特征研究

目的]明确小兴安岭蔷薇科植物区系特征,为开发利用小兴安岭蔷薇科植物资源提供参考。方法]采用野外调查和标本鉴定的方法,对小兴安岭蔷薇科植物属、种组成及区系特征进行统计和分析。结果]该区共有蔷薇科植物68种,隶属于4亚科19属,且优势属明显。从属层次上表现出典型的温带性质,以北温带成分为主,且没有中国特有属。结论]小兴安岭蔷薇科植物组成丰富,区系地理成分多样。

Floristic Study of Rosaceae in the Xiaoxing'an Mountains

Objective] The research aimed to clear the floristic characteristics of Rosaceae in the Xiaoxing'an Mountains and provide the basis for the development and utilization of Rosaceae resource in the Xiaoxing'an Mountains.Method] Based on the field survey and identification of specimens, the genus, species and floristic characteristic of Rosaceae plants were statistically analyzed in the Xiaoxing'an Mountains.Result] There were 68 species belonging to 19 genera of 4 subfamilies of Rosaceae.The dominant genera were prominent.The Rosaceae plants in the region showed the typical temperate floral character in the case of the genus level, giving priority to the North Temperate type.And there was no Chinese endemic genera.Conclusion] Rosaceae plants in the Xiaoxing'an Mountains had many geographical elements of flora and abundant plant components.