金佛山地区兰科植物的分布及区系组成

】金佛山现有兰科植物３８属、８４种，其区系组成以亚热带和温带的东亚区系成分为主。其中，广布东亚植物区的种类有２０属２６种，属于东亚植物区中的中国—日本亚区的种类有２１属３５种，属于东亚植物区中的中国—喜马拉雅植物亚区的种类有１２属２２种，属印度马来区系的种类１种。金佛山地区兰科植物中国特有种有２８种，该地区特有种仅１种。

GEOGRAPHICAL DISTRIBUTION AND FLORISTIC COMPOSITION OF THE ORCHID FLORA IN THE JINFO MOUNTAIN REGION CHONGQING

A survey made in the Jinfo Mountain Region in Nanchuan County, Chongqing Municipality has shown that the floristic elements of the orchid flora in the region are mainly temperate and subtropical Eastern Asian (Sino Japanese) ones, involing 84 species of 38 genera. Twenty six species, belonging to 20 genera, are widespread in the entire East Asian Region; 35 species, belonging to 21 genera, are distributed in the Sino Japanese Subregion; 22 species, belonging to 12 genera, are the elements of the Sino Himalayan Subregion; and 1 species is the Indo Malaysian floristic element. In the Jinfo Mountain Region, 28 species of the orchid flora were found to be endemic to China and 1 was identified to be endemic to this region in the survey.