广东种子植物区系与邻近地区的关系

广东省共有种子植物约２１９科１４３４属４９８６种。植物区系分析和比较表明，广东种子植物区系与桂中、桂东南、湘南、赣南、闽南、闽西南、闽中植物区系最为密切，都含有丰富的华南植物区系成分，其森林区系的特征成分尤为相似，它们共同组成了华南植物区系省；另广东与海南、中南半岛北部的关系方较为密切，充分显示了北回归线地区亦即热带亚热带过渡地区植物区系的整体性特点。

A COMPARISON OF THE SPERMATOPHYTIC FLORA FROM GUANGDONG AND ITS NEIBOUGHING REGIONS

The floristic analysis and comparison show that the spermatophytic flora from Guangdong which consisted of 219 families 1434 genera 4986 species is closely related to those from central Guangxi,southwest Guangxi,south Human,south Jiangxi,southwest and central Fujian, all of them consist of a large proportion of floristic elements of south China,especially the typical elemeats of subtropic forests or the endemic floral components,they combined together to form a floristicunit of South China Province. Meanwhile,the Guangdong flora is related to the Hainan flora and the Indo-China flora too,they indicate that the flora of the Line of Tropic of Cancel and its neighbouring regions,as well as of the tropic and subtropic transitive regions is a whole.