新疆棘豆属棘豆组的修订

通过对大量标本和文献的研究,并结合野外居群的观察分析,澄清了《中国植物志》棘豆组中存在的分类学问题,对新疆棘豆属棘豆组植物的分类进行修订,确认产于新疆的棘豆属棘豆组植物8种、1变型,并重新编制了新疆棘豆属棘豆组的分种检索表,以及各种的分类学处理及地理分布.研究结果表明:少花棘豆归并在宽瓣棘豆中,其中少花棘豆为新异名;冰河棘豆应改为球花棘豆;冰川棘豆的学名更正为Oxytropis proboscidea;将黑萼棘豆并入长茎棘豆组中.此外,棘豆组增加了3个类群:等瓣棘豆、伊朗棘豆和奇台棘豆,其中等瓣棘豆和伊朗棘豆为新疆新记录种,白花球花棘豆为新变型.

The Revision of Sect. Protoxytropis Bunge from Xinjiang

Several taxonomic questions of Xinjiang Oxytropis are clarified with a large amount of specimens,literatures and observation of field population is studied.The classification of the Oxytropis in Xinjiang is needed to revise.Eight species and one new forma species are recognized,the key to species of Sect.Protoxytropis is compiled,and taxonomic treatment and geographic distribution of each species are presented in the paper.The results show that O.pauciflora is merged into O.platysema,O.pauciflora is a new synonym;O.pagobia should be O.globiflora;O.melanocalyx should be merged into Sect.Mosogaea Bunge.O.lehmanni,O.savellanica and O.qitaiensis are added to Xinjiang Oxytropis,O.lehmanni and O.savellanica are new records in Xinjiang,Oxytropis globiflora Bunge f.albiflora M.M.Gao is the new form.