成都市高校校园栽培植物区系组成及特征分析

A Floristic Study of Cultivated Plants in the Campuses of Chengdu Colleges

在对四川大学等10所高校18个校区的校园栽培植物进行系统调查的基础上,对其科、属的分布区类型进行了统计分析,结果表明:1成都市高校校园栽培植物物种多样性较高,共有植物244种,187属,91科;2优势科、属不明显;3分布区类型多样,地理成分也较为复杂;4区系成分中,以热带成分为主,温带成分丰富,呈现一定的过渡性;5特有、珍稀濒危及保护植物种类较多,展现了成都市高校校园文化的环境保护特色.

After the systematic investigation of the campus cultivated plants at 18 campuses in 10 universities including Sichuan University,the areal-types of the families,genus of the campus cultivated plants have been analyzed.The results show that 1）The floristic components are complex and taxa are abundant.There are 244 species,which belong to 187 genus and 91 families.2）Dominant families and dominant genus are not obvious.3）The types of distribution are various and geographical elements are complex.4）The flora shows a transition which owns an obvious tropic zone character and abundant temperate zone taxa at the same time.5）The endemic,endangered and protected species are abundant.It shows that the campus culture of the Chengdu colleges about environmental protection is rich.