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Type: Article
Published: 2023-02-07
Page range: 260–268
Abstract views: 98
PDF downloaded: 3

A new species of Habenaria (Orchidaceae, Orchideae) from Qinghai Province, China

State Key Laboratory of Systematic and Evolutionary Botany and Herbarium, Institute of Botany, Chinese Academy of Sciences, Nanxincun 20, Xiangshan, Beijing, 100093, China, University of Chinese Academy of Sciences, Beijing, China, National Botanical Garden, Beijing, China
State Key Laboratory of Systematic and Evolutionary Botany and Herbarium, Institute of Botany, Chinese Academy of Sciences, Nanxincun 20, Xiangshan, Beijing, 100093, China, University of Chinese Academy of Sciences, Beijing, China, National Botanical Garden, Beijing, China
Department of Biology, Zunyi Normal College, Zunyi, Guizhou 563002, China
Qinghai Minzu University, Qinghai, 810007, China
State Key Laboratory of Systematic and Evolutionary Botany and Herbarium, Institute of Botany, Chinese Academy of Sciences, Nanxincun 20, Xiangshan, Beijing, 100093, China, National Botanical Garden, Beijing, China
Monocots Habenaria qinghaiensis orchid taxonomy flora

Abstract

Habenaria qinghaiensis, a new species of Orchidaceae from Qinghai Province, is described and illustrated. Molecular phylogenetic analysis based on nuclear ITS (nrITS) and two plastid (matK and rbcL) DNA markers indicates that H. qinghaiensis belongs to H. josephi group (sect. Diphyllae s.l.). It is morphologically similar to H. josephi and H. tibetica, but differs from the former by having petals shallowly 2-lobed at base, lateral lobes of lip 1.8–2.2 cm long, lip with cushion-like appendage at entrance of spur, and from the latter by having almost glabrous bracts, petals and ovary, lip with cushion-like appendage at entrance of spur, and three stigmas.

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