青海嵩草属(莎草科)的修订

Revision of Kobresia (Cyperaceae) in Qinghai

根据最新的研究结果修订了青海嵩草属植物的分类,确认了14种3亚种.通过对大量标本和文献的研究,澄清了 青海植物志 嵩草属中存在的分类学问题.门源嵩草、窄果嵩草、玉树嵩草和藏北嵩草等4种,分别归并在岷山嵩草、喜马拉雅嵩草、线叶嵩草和赤箭嵩草中;其中门源嵩草和玉树嵩草为新异名.青海产的嵩草和矮生嵩草,应该为二蕊嵩草和高原嵩草.短轴嵩草的学名更正为K.vidua.弧形嵩草在青海没有分布,文献中的记载可能为囊状嵩草的错误鉴定.此外,青海的嵩草属增加了2个类群,匍茎嵩草和夏河嵩草.

The classification of the Kobresia in Qinghai is revised based on recent investigation.Fourteen species and 3 subspecies are recognized.Several taxonomic questions of Qinghai Kobresia are clarified after a large amount of specimens and literatures is studied.K.menyuanica is merged into K.royleana subsp.minshanica,K.stenocarpa into K.royleana subsp.royleana,K.yushuensis into K.capillifolia,K.littledalei auct.non C.B.Clarke into K.schoenoides,K.menyuanica and K.yushuensis are new synonymies.K.bellardii and K.humilis in Qinghai should be K.myosuroides subsp.bistaminata and K.pusilla,K.curvata does not occur in Qinghai.The record of the species might be misidentification of K.fragilis.Additionally,K.stolonifera and K.setschwanensis subsp.squamiformis are added to Qinghai Kobresia.