A new species of Galearis (Orchidinae: Orchidaceae) from Sichuan, China

出版物类型Journal Article
发表年代:2008
作者:Meng, Y-BLuo Qian-W
期刊:Botanical Journal of the Linnean SocietyBotanical Journal of the Linnean Society
卷:158
页码:689-695
ISBN Number:1095-8339
摘要:

A new species, Galearis huanglongensis Q.W.Meng & Y.B.Luo, is described and illustrated. It is similar to Galearis cyclochila (Franch. & Sav.) So?and Galearis diantha (Schltr.) P.F.Hunt, but differs in having a short spur, two elliptical lateral stigma lobes and distinctly separated bursicles. This new species is known only from the type locality, the Huanglong Valley, Songpan County, western Sichuan, China, growing amongst mosses under alpine shrubs at an elevation of about 3000爉. Based on two years of observations of its population size, the species was categorized as critically endangered CR (B1a, B2a) according to the World Conservation Union (IUCN) Red List Categories and Criteria, Version 3.1. The micromorphology of pollinia and seeds was observed by scanning electron microscopy and compared with that of G. cyclochila and G. diantha. The results supported G. huanglongensis Q.W.Meng & Y.B.Luo as a new species.牋?2008 The Linnean Society of London, Botanical Journal of the Linnean Society, 2008, 158, 6892013695.

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