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FEATURES OF SPERMATOPHYTIC FLORA OF HENAN PROVINCE IN CHINA
Based on the latest data, the features of spermatophytic flora of Henan Province located in Central China Plain (the heart region of China) are summarized and demonstrated in this paper. They are as follows: 1)Plant species are rich, with 2953 wild species in 896 genera of 152 families, putting Henan in front rank in the northern areas of China. 2) Its origin is from far ancientry, and there exist many primitive families and genera as well as many relic species. 3) The character of transition is very conspicuous with complex and varied geographical elements, but the temperate type being the dominant. There are 15 types and 18 variants of distribution types at the genera level, the typical Temperate, Tropic and East Asia elements respectively make up 47.9%, 29.5% and 14.5%.4) It is rich in species endemic to China, with 1514 species, ranking first in the northern areas in China. 5) The floristic spatial differentia is obvious. The southeastern Henan belongs to East China plant region, the southwestern to Central China, the northern and the central to North China.
作 者： ZHANG Gui-bin 作者單位： College of Environment and Planning, Henan University, Kaifeng 475001, P. R. China 刊 名： 中國地理科學（英文版） SCI 英文刊名： CHINESE GEOGRAPHICAL SCIENCE 年，卷(期)： 2005 15(1) 分類號： Q948.5 關鍵詞： spermatophyte floristic characteristics Henan Province in China【FEATURES OF SPERMATOPHYTIC FLORA OF 】相關文章：
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