福建省尤溪九阜山省级自然保护区属于中亚热带森林生态系统自然保护区，该区种子植物有137科491属992种及变种、变型。区系成分复杂，含单型属和少型属较多，植物区系较古老，成分过渡明显。根据区系地理成分分析，九阜山植物区系的性质是既有中亚热带植物区系的特点，又向南亚热带渗透过渡。% Jiufu Mountain provincial natural reserve area is located in the subtropical forest ecosystem region, there are 992 species (including varieties and forma), of 491 genera, within 137 families of spermatophyte. The survey results show that the floristic elements are complex, rich in monotypical and oligotypical genus. The flora is ancient and interim clearly. According to the analysis on the geographic component of the flora, it is concluded that the nature of Jiufu Mountain flora is a typical of subtropical characteristics and transition to tropical one .
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