桂东石灰岩石山区木本植物区系研究  

Study on the Woody Plants Flora of Limestone Mountain Zone in Guidong

作　　者：黄莹 尚富德[2] 

机构地区：[1]桂林市黑山植物园,广西桂林541002 [2]河南大学生命科学学院,河南开封475001

出　　处：《河南大学学报（自然科学版）》2004年第3期75-80,共6页Journal of Henan University:Natural Science

基　　金：广西壮族自治区林业厅资助项目

摘　　要：桂东石灰岩石山区位于广西东北部,共有木本植物68科158属245种.本区植物区系地理成分复杂,岩溶植物丰富,具有明显的亚热带性质.它与贵州茂兰、广西弄岗、滑水冲、大瑶山区系的属相似系数都超过了0.5,是亲近的植物区系.Limestone mountain zone of Guidong locates in the East-north of Guangxi Zhuangzu Autonomous Region. It contains 245 species of woody plants, which belong to 158 genera and 68 families. The flora possesses sub-tropic characteristics.The floristic geographic elements are complex, and the plants of karst are abundant. The similar coefficients of genera are over 0.5 to the Maolan flora of Guizhou, Nonggang flora, Huashuichong flora. and Dayao mountain flora. So, it is closely related with them.

关 键 词：石灰岩石山区 木本植物区系 区系关系 桂东 

分 类 号：Q948.5[生物学—植物学]