陕西菊科观赏植物种质资源和区系的研究  

Germplasm resource and flora of decorative plants from Compositae in Shaanxi province

作　　者：贺学礼[1] 赵丽莉[1] 

机构地区：[1]西北农业大学基础科学系

出　　处：《陕西师范大学学报（自然科学版）》1998年第S1期216-218,共3页Journal of Shaanxi Normal University：Natural Science Edition

基　　金：国家自然科学基金

摘　　要：陕西省菊科观赏植物种质资源丰富，共有３２属４６种．区系成分多样，其中温带成分有７属，占２１．９％；热带成分有６属，占１８．７％；世界分布有３属，占９．３％；地中海—西亚—中亚分布有３属，占９．３％；东亚分布有３属，占９．３％；外来栽培属有１０个，占３１．６％．可见，陕西菊科观赏植物区系成分中温带性质明显，热带分布占相当的比例．The germplasm resource of the decorative plants of Compositae in Shaanxi province are rich,and there are 32 genera and 46 species.The flora compositions nave many types,and temperate elements involve 7 genera (21 9%):tropical elements 6 genera (18 7%);world wide elements 3 genera (9 3%);East Asian elements 3 genera (9 3%);outwards plantation genera 10(31 6%).Hence,the temperate elements are dominant and the tropical elements make up of rather large proportion.

关 键 词：菊科 观赏植物 种质资源 区系分析 陕西 

分 类 号：S680.2[农业科学—观赏园艺]