王二包自然保护区蔷薇科植物区系特征研究

A floristic study of rosaceae on Wangerbao natural reserve

在对王二包自然保护区蔷薇科植物详细调查的基础上,对其亚科、属、种组成,分布区类型及其区系特征等进行了统计和分析。结果表明:(1)区内蔷薇科属种组成较为丰富,包含有蔷薇科植物4亚科、20属、83种;(2)本区蔷薇科植物地理成分较为复杂、区系成分古老与进化并存;(3)优势属明显;(4)植物区系具明显的温带性质。

Based on the statics and analysis, the areal-types of subfamilies, genera, species of Rosaceae in the present flora in Wangerbao natural reserve were studied. The results indicated as follow： （1） It is abundant in generas and species including 83 species in 20 genera of 4 Subfamilies of Rosaceae in Wangerbao natural reserve. （2） The flora is ancient and evolution and very complex in geographical elements. （3） The dominant genera are prominent. （4） The flora of Rosaceae in the region shows distinctly the characteristic of temperate.