摘要
描述了在新疆阿尔泰山喀纳斯自然保护区发现的石竹科(Caryophyllaceae)石竹属(Dianthus)植物一新种——阿尔泰石竹(Dianthus altaicusL.X.Dong & C.Y.Yang),并描绘了形态图。该新种与多分枝石竹(Dian-thus ramosissi musPall)相近,区别点在于:阿尔泰石竹(新种)的花冠粉红色,花瓣菱形,边缘无锯齿,光滑无毛,基生叶线形丛生如禾草状;花粉圆球形,外壁具刺状和环状纹饰;种子呈菱形,种皮表面具瘤状突起。并简单介绍了阿尔泰石竹的生境以及该种在阿尔泰山居群的大小和保护状况。
The genus Dianthus L. contains about 300 species in the world, is distributed mainly in Europe and Asia. No wild species distributed in Europe. There are sixteen recorded species in China. Eight of them are unique in Xinjiang. In this paper,a new species,Dianthus altaicus L. X. Dong ＆ C. Y. Yang from Altai Mountain Nature Reserve in Kanasi,is described and illustrated. It is most similar to D. ramosissimus Pall, but differs by having pink approximate rhombic petal, smooth and hairless, the verge of petals without sawtooth. In the basal leaves formed by dense cluster. The pollen is round with spinous on the surface. Its habitat and population size was reported in details.
出处
《西北植物学报》
CAS
CSCD
北大核心
2008年第11期2355-2358,共4页
Acta Botanica Boreali-Occidentalia Sinica
基金
上海市科技兴农项目(2005-1-7)
关键词
石竹属
阿尔泰石竹
石竹科
新种
新疆
中国
Dianthus
Dianthus altaicus L. X. Dong ＆ C. Y. Yang
Caryophyllaceae
new species
Xinjiang
China
