四川无心菜属(石竹科)一新种(英文)  

Arenaria dawuensis, a new species of the Caryophyllaceae from Sichuan, China

作　　者：李安仁[1] 班勤[1] 

机构地区：[1]中国科学院植物研究所,北京100093

出　　处：《植物分类学报》2003年第4期390-392,共3页Acta Phytotaxonomica Sinica

基　　金：aspecialgrantfromtheChineseAcademyofSciencesfortheroutinerunningofherbaria .

摘　　要：描述了四川无心菜属 (石竹科 )一新种———道孚无心菜ArenariadawuensisA .J.Li&Q .Ban。该种具纺锤形根 ,聚伞花序 ,花柱 2 ,线形而与纟遂瓣无心菜A .fimbriata (E .Pritz.)Mattf.相近 ,但叶匙形 ,萼片边缘具长缘毛 ,花瓣短于萼片 ,顶端细流苏状而不同。Arenaria dawuensis A. J. Li & Q. Ban, a new species of the Caryophyllaceae from Dawu County, Sichuan, China, is described and illustrated. It is related to A. fimbriata (E. Pritz.) Mattf. in having fusiform roots, cymose inflorescence, two linear styles, but differs by having spatulate leaves, sepals sparsely and long ciliate along margins, and petals shorter than sepals and finely fimbriate at apex.

关 键 词：无心菜属 道孚无心菜 石竹科 四川 中国 

分 类 号：Q949[生物学—植物学]