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安徽齐云山区种子植物区系的研究
引用本文:郭传友,刘登义,方炎明.安徽齐云山区种子植物区系的研究[J].广西植物,2003,23(2):102-106.
作者姓名:郭传友  刘登义  方炎明
作者单位:1. 南京林业大学森林资源与环境学院,江苏南京,210037
2. 安徽师范大学生命科学学院,安徽芜湖,241000
摘    要:据初步统计,安徽省休宁县齐云山山区共有种子植物125科,511属,867种。与邻近山地相比,种子植物的丰富程度次于黄山(134科、537属、1058种)、清凉峰(142科、547属、1083种)和牯牛降(151科、582属、1117种)。该区种子植物区系起源古老,地理成分复杂,各类热带、温带成分和中国特有成分分别占该区种子植物属总数的42.0%、54.3%和3.7%,显示该植物区系具有明显的中亚热带特性。该区系与黄山、清凉峰、牯牛降、六股尖区系的关系密切,而与天堂寨区系关系较远。

关 键 词:齐云山区  种子植物区系  区系关系  安徽省
文章编号:1000-3142(2003)02-0102-05
修稿时间:2002年3月4日

The flora of the seed plants of Qiyun moun-tainous region in Anhui Province
Abstract:There are 867 species(including varieties)of seed plants,which belong to 511 genera and 125 families in Qiyun Mountainous Region (QMR). Compared with those of five adjacent mountainous regions,the integrative coefficient of seed plants flora in QMR is 0.219,which is bigger than those of Mt. Liugujian,but smaller than that of Huangshan(0.089)?Qingliangfeng(0.193)?Guniujiang(0.361)and Tiantangzhai( 0.007). Therefore,the flora is relatively rich. The geographic distribution of 511 genera can be grouped into 15 distribution types,among which the tropical element makes up 42.0%,while the temperate element makes up 54.3%,taking up a predominant position. The flora possesses mid subtropical characteristics,the floristic geographic elements are complex. By analysis of the floristic relationship among adjacent mountainous regions,the flora belongs to South Anhui mountainous district and the flora rigion of East China. The flora has the closest relationship with that of Mt. Huangshan.
Keywords:Qiyun mountainous region  seed plants flora  floristic relationship  Anhui Province  
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