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Validation of Gastrochilus prionophyllus (Vandeae, Orchidaceae), a new species from Yunnan Province, China

2019; Pensoft Publishers; Volume: 130; Linguagem: Inglês

10.3897/phytokeys.130.34555

1314-2011

XUN-FENG WU, De‐Ping Ye, Bo Pan, Xiang-Qun Lin, Hong Jiang, Liu Qiang,

Biological and pharmacological studies of plants

Gastrochilus prionophyllus , which was previously not validly published, is here validated. The species is described along with illustration and photos. Morphologically, the long and pendulous stem and distichous leaves of this new species indicate that it belongs to the sect. Microphyllae. It is unique in having thick fleshy leaves and margin significantly serrate, small flowers, reniform epichile and margin with dentations, thickened cushion on the central epichile and subconic hypochile. Meanwhile, a preliminary conservation status assessment according to IUCN Red List categories and criteria is given to the new species.