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题名: Nujiangia (Orchidaceae: Orchideae): A new genus from the Himalayas
作者: Jin, Xiao-Hua1, 2; null(李德铢)3; Xiang, Xiao-Guo1, 2; Lai, Yang-Jun1, 2; Shi, Xiao-Chun4
刊名: JOURNAL OF SYSTEMATICS AND EVOLUTION
关键词: Himalayas ; Habenaria griffithii ; new genus ; Nujiangia ; Orchidaceae
英文摘要: The phylogenetic positions of the enigmatic wildcard taxon, Habenaria griffithii, were inferred from molecular data and morphological evidence. Morphologically, H. griffithii is quite isolated in Habenaria; instead, it is close to Gennaria, Diphylax, Peristylus, and Platanthera. It can be distinguished from these four genera by its slender staminodes conspicuously longer than the anther, rostellum having two relatively long arms, lip and lateral sepals connate in the basal part, and a transverse cushion-shaped stigma. An analysis of combined plastid and nuclear data (rbcL, matK, and internal transcribed spacer) using Bayesian and parsimony methods revealed that H. griffithii is closest to Gennaria, a monotypic genus restricted to the western Mediterranean and Canary Islands. On this basis, a new genus, Nujiangia, is tentatively proposed to accommodate this taxon. In addition to the taxonomic treatment of this genus, the delimitation of many related genera in Orchideae is discussed.
出版日期: 2012
卷号: 50, 期号:1, 页码:64-71
DOI标识: 10.1111/j.1759-6831.2011.00167.x
语种: 英语
收录类别: SCI
学科分类: Plant Sciences
ISSN号: 1674-4918
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/10529
Appears in Collections:中国西南野生生物种质资源库_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Bot, Herbarium, Beijing 100093, Peoples R China
2.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
3.Chinese Acad Sci, Key Lab Biodivers & Biogeog, Kunming Inst Bot, Kunming 650204, Peoples R China
4.Adm Bur Gaoligongshan Natl Nat Reserve, Baoshan 678000, Peoples R China

Recommended Citation:
Jin, XH; Li, DZ; Xiang, XG; Lai, YJ; Shi, XC.Nujiangia (Orchidaceae: Orchideae): A new genus from the Himalayas,JOURNAL OF SYSTEMATICS AND EVOLUTION,2012,50(1):64-71
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