中国新疆石竹属一新种

A New Species of the Genus Dianthus from Xinjiang,China

描述了在位于新疆昌吉州境内的南山马鹿(Cervus elaphus)保护区发现的石竹科(Caryophyllaceae)石竹属(Dianthus)植物一新种—南山石竹(Dianthus nanshanicus C.Y.Yang & L.X.Dong),并描绘了形态图。该新种与瞿麦(Dianthus superbus L.)相近,区别在于:本新种花冠白色,喉部无丝毛状鳞片,茎单生,瓣片深裂为细条状。雄蕊伸出至花瓣的1/2。花粉圆球形,外壁具穴状和刺状纹饰。种皮细胞较小近光滑。报道了该种的采集过程、生境以及该种在新疆南天山居群的大小和保护状况,并简单介绍了Dianthus在世界的分布情况。

The genus Dianthus L. contains about 300 species in the world, is distributed mainly in Europe and Asia, no wild species distribution in Europe. There are sixteen recorded species in China, among them eight species is unique in Xinjiang. In this paper, a new species, Dianthus nashanicus C. Y. Yang et L. X. dong from South Tianshan mountain Red deer reserve in Xinjiang, is described and illustrated. It is most similar to D. superbus, but differs by having white petal with partite and filamentous, Laryngeal has no filiform squama. The leaf is lanceolate. The pollen is sphericity, they exine sculpture conspicuous difference in SEM. Seed capsule is smooth. Its habitat and population size was reported in details.