浙江龙塘山自然保护区种子植物区系的研究

本文为龙塘山自然保护区种子植物区系的初步研究结果 ,扼要报道了本区系现知的 1356种 (不包括种下等级 113亚种或变种、变型 ) ,分隶 144科 687属;对科、属的性质及分布区类型作了分析 ,表明本区系以温带性成分为主 ,也兼有相当的热带性成分 ,具有亚 热带特性;介绍了本区系世界单种属 38属 ,在中国为单种属的有 39属 ,分布于该地区的中国特有属 19属;珍贵植物 36种及列入中国珍稀保护植物 20种.通过与邻近山地植物区系比较分析 ,表明本区植物区系与西天目山、黄山、庐山的关系最为密切 ,显示出该区具有典型的华东植物区系的特征 .

A study on the Flora of Seed Plants in Longtangshan Nature Conservation, Zhejiang Province

This paper is a summary account of the study on the flora of seed plants In Longtangshan.The results show:1.Up to now,1356 species(exclusion of infraspecific taxa 113) belonging to 687 genera and 144families are known.2 Based on analysing the areal types of 687 genera,The temperate distributional patterns make up 5.1%,taxing a predominated position,and the genera of tropic distributional patterns make up 40.9%.The results show:The Flora of this region has the characteristics of the subtropical flora and the floristic geographical elements are complex.3.There ard 38 monotypic genera in world and 39 genera of singlespecies in China,19 genera endemic to china,36 species of rare in region and 20 species protected plants in China.4.By analysis of the floristic relationships between LNC and adjacent mountains,The flora of Longtangshan is most closely to Mt.West-Tianmun,Mt.Huangshan and Mt.Lushan.The results Show:This region is the closet to the floristic rigion of East China.