摘要
经调查,重庆市大足区公园绿地植物计22科35属53种(含种以下分类等级及栽培植物),其中蕨类植物2科2属2种,裸子植物1科2属2种,被子植物19科31属49种。通过对大足区公园绿地植物区系的组成、地理成分及区系特征进行分析,结果表明,被子植物种类丰富,占总种数的92.45%;单种科、小型科众多,是区系的主体;生活型组成以挺水植物种类为最多;区系成分方面,科、属的区系组成中均具有明显的热带区系特征,世界分布也占较大比例。
There are 22 families,35 genera,53 species(including infraspecific taxon and cultivated plant)in Dazu district park of Chongqing city after investigation. Among them,they include 2 species of pteridophyte belonging to 2 genera and 2 families,2 species of gymnosperm belonging to 2 genera and 1 families,and 49 species of angiosperm belonging to 31 genera and 19 families. Based on the analysis of compositions and the geographical elements and characteristics of the flora,the results show that angiosperms are rich in species,which is about 92.45% of the total species of plants in Dazu district park;The monotypic or ligotypic families are much abundant in the its flora;In terms of life form composition,the emergent plants are rich in species;In terms of floristic elements,the floristic composition of families and genera has obvious tropical floristic characteristics,and the world distribution types also account for a large proportion.
作者
吴松成
杨福英
陈霜
WU Song-cheng;YANG Fu-ying;CHEN Shuang(Chongqing Landscape and Gardening Research Institute,Chongqing 401329,China;Chongqing Urban Landscape Engineering Technology Research Center,Chongqing 401329,China;Chongqing Key Laboratory of Germplasm Innovation and Utilization of Native Plants,Chongqing 401329,China;Chongqing Dazu District Urban Administration Bureau,Chongqing 402360,China)
出处
《湖北农业科学》
2022年第6期96-100,共5页
Hubei Agricultural Sciences
基金
重庆市科技计划资助项目(cstc2011pt~gc80019)。
关键词
区系特征
湿地植物
公园
大足区
重庆市
flonristic characteristics
wetland plants
parkland
Dazu district
Chongqing city
