%0 Journal Article
%A CHEN Yi-Zhu
%A DUAN Dai-Xiang
%A YE Hua-Gu
%A ZHAO Nan-Xian
%T A study on the flora of seed plants in Ruyuan county region of Guangdong Province
%D 2005
%R 10.7525/j.issn.1673-5102.2005.04.023
%J Bulletin of Botanical Research
%P 495-502
%V 25
%N 4
%X Ruyuan County islocated in north of Guangdong Province, at 24°28'~25°06'N.and 112°52'~113°29'E.According to our investigations and statistics, there are 1 910 species of wild seed plants which belong to 753 genera and 171 families in Ruyuan County.Based on their geographical distribution, 171 families are classified into 11 areal-types, among them Pan-tropical element is dominant(57.14%), and the tropical elements make up(68.57%).753 genera are classified into 15 areal-types, among them Pan-tropical element is dominant(21.26%), and the tropical elements make up 58.19%.1 910 species are classified into 15 areal-types, among them endemic to China element is dominant(53.53%), and the tropical elements make up(29.25%).The dominant families in this area are Actinidiaceae, Lardizabalaceae, Styracaceae, Cornaceae, Rubiaceae, Hamamelidaceae, Theaceae, etc.Most of them are tropical and subtropical families.Comparing the Composition of the flora with those of 4 neighbouring regions, the flora of Ruyuan is quite similar to those of Lechang.
%U https://bbr.nefu.edu.cn/EN/10.7525/j.issn.1673-5102.2005.04.023