新疆石头花属植物分类研究及其生态地理分布

Study on the Phytotaxonomy and the Eco-geographical Distribution of the Genus gypsophila in Xinjiang

Gypsophila L.中国有25种。1980年出版的“新疆植物检索表”第二册中收载了5种。“新疆植物名录”中收载了4种。中国高等植物图鉴补编(1:336,1982)收载了11种。本文按现行新疆维吾尔自治区的行政范围进行整理研究,共收载了12种,其中发现全国分布新纪录2种—G.capitata M.B.,G.sericea(Ser.)Kryl.新疆分布新纪录1种—G.licentiana Hand—Mazz。本文阐明了新疆境内石头花属植物的生态、地理分布特点。在新疆境内本属植物的区系地理成分主要是亚洲中部的草原和荒漠成分。

On the basis of the plant specimens collected, in Xinjian8 area and the other infomation con cerned, the auther believes by sortiong out that there are 12 species of Gypsophila in Xinjiang. Among them 2 species are the new distributions in China, …G. cpitata M. B. and G. sericea (Ser.) Kryl. 1 species is the new distribution in Xinjiang.The characteristics of eco-geographical distribution of the plants Gypsophila in Xinjiang, are also described in this paper. The floral geographical elements of the plants of Gypsophila in Xinjiang are mainly composed of the elements of steppe and desert of Central-asia.