广东植物区系的分区

广东植物区系与广西中部、东南部及福建西南部、中部及湖南南部、江西南部的植物区系关系最为密切，它们共同组成了华南省，属东亚植物区．华夏植物界．传统的以北极起源理论或热带起源理沦为依据．将中国植物区系特别是广东亚热带植物区系，分割成泛北极植物界和古热带植物界是不符合客观实际的．亚洲热带至亚热带无论在植物区系组成上还是在森林群落的结构上都是一整体．它们是华夏起源的．华南省植物区系可达７５００种．中国特有属达８６属，地区特有属约１５属．如猪血木、四药门花、圆籽荷、辛木、虎颜花、梅兰、四数苣苔、报春苣苔、拟九节、小花苣苔、圆唇苣苔等属．华南省又可分为三个亚省：粤西南—桂东南亚省，粤东南—闽西南亚省，粤北—闽西北亚省，三个亚省在地质史上，气侯区上，植物区系组成上都有各自的特点。

THE REGIONALIZATION OF FLORA FROM GUANGDONG AND ITS NEIGHBOURING REGIONS

Guangdong flora is closely related to the flora in central Guangxi, SE Guangxi. SW and central Fujian, S Hunan and S Jiangxi. and which constitute the south China province belonging to the East Asia Region. Traditionally based on Arctic Originating Theory or Tropic Originating Theory, the flora of China, especially the flora Guaogdong. were divided into two parts of The Panarctic Kingdom and The Architropic Kingdom, bub it is unacceptable. Asia tropical and subtropical region is an unity both in the floristic composition and the forest community origin.They are originated from the Cathaysian flola, and should be treated as a Cathaysian Kingdom (3 regions: East Asia, Malaysia, Indo Himalays). The endemic genera of the South China Province is as follows: Euryodendron, Apterosperma, Sinia, Tetrathyrium,Dunuia, Tsiangia, Metasasa, Sinorchis. Bournea, Chiritopsis, Gyrocheilos, Didymostigma, Primulina, Dayaoshania, Tigrioides, etc. The flora of south China province may be divided into 3 subprovinces: Sw Guangdong SE Guangxi, SE Guagdong SW Fujian. N Guangdong-NW Fujian. Meanwhite. authors also disscuss the concepts or standards of province ane subprovinces.