湖南木兰科植物分类和地理分布的研究

Studies on Classification and Geographical Distribution of Magnoliaceae Species in Hunan

在前人研究的基础上 ,通过野外调查、查阅有关资料及标本 ,对湖南木兰科分类和地理分布进行了系统研究 ,共有 6属 2 9种 ,1亚种 ,1变种 ,占国产总属数的 55% ,国产总种数的 2 8% ,位于云南、广西之后 ,居全国第三位 ;武陵山和雪峰山为我国木兰科现分布的中心之一 。

According to researching of founder,investigating of field and referring to specimens of Magnoliaceae in Central South Forestry University,Biological School of Hunan Normal University and Arboretum of Nanyue,we systematically study on classification and geographical distribution of Magnoliaceae in Hunan Province.There is rich resource of Magnoliaceae in Hunan.There are 6 genera and 29 species and 1 subspecies (including 3 cultivated species) of Magnoliaceae from Hunan.They account for 55% of total genera and 28% of all species of China.Their number is third rank in China,arranged behind Yunnan and Guangxi.The Wuling Mountain and Xuefeng Mountain are one of the centers of distribution of Magnoliaceae in Hunan,and Nanling Mountain is transition from Southern to Northern species of Magnoliaceae of China.