| 海南岛珍稀濒危植物区系研究 |
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| 引用本文： | 方彦,谢春平.海南岛珍稀濒危植物区系研究[J].南京林业大学学报(自然科学版),2006,30(4):138-140. |
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| 作者姓名： | 方彦 谢春平 |
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| 作者单位： | 1. 南京森林公安高等专科学校,江苏,南京,210046
2. 南京林业大学森林资源与环境学院,江苏,南京,210037 |
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| 摘 要： | 海南岛共有珍稀濒危植物35科49属57种，其中蕨类1科1属1种，裸子植物5科7属10种，被子植物29科41属46种。从区系组成和地理成分分析，其植物区系的特点是：（1）热带成分具明显优势，占总属数约80％；（2）珍稀濒危植物表现出一定的过渡特征，部分属具有温带性；（3）海南岛珍稀濒危植物区系与华南地区有直接的关联，且与中印半岛的植物区系也有一定的联系。
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| 关 键 词： | 海南岛 珍稀濒危植物 区系特征 |
| 文章编号： | 1000-2006(2006)04-0138-03 |
| 收稿时间： | 2005-12-08 |
| 修稿时间： | 2006-04-10 |
The Floristic Analysis of Rare and Endangered Plants in Hainan Island |
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| FANG Yan,XIE Chun-ping.The Floristic Analysis of Rare and Endangered Plants in Hainan Island[J].Journal of Nanjing Forestry University(Natural Sciences ),2006,30(4):138-140. |
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| Authors: | FANG Yan XIE Chun-ping |
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| Institution: | 1. Nanjing Forest Police College, Nanjing 210046,China; 2. College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037,China |
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| Abstract: | According to the literatures concerned,the rare and endangered plants of Hainan Island consists of 57 species,49 genera and 35 families,which include:pteridophytes 1 species,1 genera and 1 family;gymnospermae 10 species,7 genera and 5 families;angiospermae 46 species,41 genera and 29 families.Based on the analysis of the composition and the geographical elements,it indicates that the flora has the following features:(1)The tropical composition shows the obvious advantages,and it occupies 80% of the total number of genera;(2)the rare and endangered plants show some characters of the interims,and some parts of genera have temperate zone features;(3)the flora of rare and endangered plants in Hainan Island has the association with the South China flora and the flora of China-India Peninsula.Finally,measures and proposals for protection are put forward for the rare and endangered plants in Hainan Island. |
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| Keywords: | Hainan Island Rare and endangered plants Floristic characteristics |
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