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

被引：2
|
作者：
Ma, Chong-bo [1 ,2 ,3 ]
Wang, Han-chen [1 ,2 ,3 ]
Deng, Tan [4 ]
Lin, Peng-chen [5 ]
Jin, Xiao-hua [1 ,3 ]
机构：
[1] Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Herbarium, Nanxincun 20, Beijing 100093, Peoples R China
[2] Univ Chinese Acad Sci, Beijing, Peoples R China
[3] Natl Bot Garden, Beijing, Peoples R China
[4] Zunyi Normal Coll, Dept Biol, Zunyi 563002, Guizhou, Peoples R China
[5] Qinghai Minzu Univ, Qinghai 810007, Peoples R China
来源：
PHYTOTAXA | 2023年 / 583卷 / 03期
关键词：
Habenaria qinghaiensis; orchid taxonomy; flora; MOLECULAR PHYLOGENETICS; TAXONOMIC REVISION; ORCHIDINAE;
D O I：
10.11646/phytotaxa.583.3.4
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
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.
引用
收藏
页码：260 / 268
页数：9
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