湖南猕猴桃属植物地理分布及其区系特点研究

湖南猕猴桃属植物有２１种１３变种，主要分布于湘南和湘西两地区，经分析研究，湖南猕猴桃属植物区系有如下特点：１、种类比较丰富，是构成湖南森林植物区系林间植物的主要成分之一；２、地理成分比较复杂，种的分析显示出以中国特有分布为主的特点；３、种间、种内分化强烈；４、特有种较多；５、与邻近地区猕猴桃属植物区系的关系密切，最后，作者对湖南猕猴桃属植物的起源问题进行了分析和推测。

STUDY ON THE GEOGRAPHICAL DISTRIBUTION AND FLORISTIC CHARACTERISTICS OF THE GENUS ACTINIDIA LINDL.FROM HUNAN

This paper aims to analyse the flora of Actinidia from Hunan.The results obtained are as follows:1.21 species and 13 varieties of Actinidia exist in the province,and they mainly distribute to the southen and western Hunan.2.The geographical elements of the species is complex.Among them,those of the species endemic to China are main elements.3. Interspecific and intraspecific differentiation of Actinidia is very strong.4. Hunan is rich in endemic species of the genus.30 species(including varieties) endemic to China are found in the province.5.Flora of Actinidia in Hunan is closely related to the border regions of Guangxi.Guangdong.Hubei and Jiangxi.6.According to the distribution and systematic relationship of the species of Actinidia,it is concluded that the genus Actinidia may be originate from Cathaysian ancient land.