南宁市青秀山风景旅游区植物区系研究

青秀山风景旅游区是广西南宁市著名的旅游景区之一。根据多年的实地调查、鉴定和资料整理,统计分析了青秀山风景旅游区植物区系的特征。结果表明：①该区共有维管束植物174科752属1431种（含变种、栽培变种和变型,下同）,其中蕨类植物21科36属48种,裸子植物8科14属42种,被子植物145科702属1341种;②物种种类组成相当丰富,引种栽培种占优势;③地理成分较简单,以热带和亚热带成分居多;④居热带与亚热带过渡区,热带边缘性明显;⑤引种的珍稀濒危植物种类较多,特有种、古老种极少。

Research on Plant Flora in Qingxiu Mountain Scenic Area in Nanning City

Qingxiu Mountain Scenic Area is a famous tourism destination in Nanning City.Based on site survey,identification and data sorting for many years,the features of plant flora in Qingxiu Mountain Scenic Area were analyzed as below:① There are totally 1 431 species of vascular plant species,belonging to 752 genera and 174 families(including varieties,cultivated variations and variants,the same as below),among which there are 48 species of fern,belonging to 36 genera and 21 families,42 species of gymnosperm,belonging to 14 genera and 8 families,1 341 species of angiosperm,belonging to 702 genera and 145 families;② There are diversified species dominated by introduced and cultivated species;③ Relatively simple geographical components,mostly are tropical and subtropical regions;④ Being located in the transitional zone of tropical and subtropical regions with obvious tropical marginality;⑤ Most of the introduced species are rare and endangered ones,rarely are unique or ancient species.