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题名: Molecular systematics of Dendrobium (Orchidaceae, Dendrobieae) from mainland Asia based on plastid and nuclear sequences
作者: Xiang, Xiao-Guo1; Schuiteman, Andre2; null(李德铢)3; Huang, Wei-Chang4; Chung, Shih-Wen5; Li, Jian-Wu6; Zhou, Hai-Lang1; Jin, Wei-Tao1; Lai, Yang-Jun1; Li, Zhen-Yu1; Jin, Xiao-Hua1
刊名: MOLECULAR PHYLOGENETICS AND EVOLUTION
关键词: Dendrobium ; Mainland Asia ; Molecular systematics ; Sect. Dendrobium ; Sect. Densiflora ; Sect. Holochrysa
英文摘要: Dendrobium is one of the three largest genera and presents some of the most intricate taxonomic problems in the family Orchidaceae. Based on five DNA markers and a broad sampling of Dendrobium and its relatives from mainland Asia (109 species), our results indicate that mainland Asia Dendrobium is divided into eight clades (with two unplaced species) that form polytomies along the spine of the cladogram. Both Dendrobium and Epigeneium are well supported as monophyletic, whereas sect. Dendrobium, sect. Densiflora, sect. Breviflores, sect. Holochrysa, are paraphyletic/polyphyletic. Many ignored phylogenetic relationships, such as the one of major clades formed by D. jenkinsii and D. lindleyi (two members of sect. Densiflora), the Aphyllum group, the Devonianum group, the Catenatum group, the Crepidatum group, and the Dendrobium month:forme complex are well supported by both molecular and morphological evidence. Based on our data, we propose to broaden sect. Dendrobium to include sect. Stuposa, sect. Breviflores, and sect. Holochrysa and to establish a new section to accommodate D. jenkinsii and D. lindleyi. Our results indicated that it is preferable to use a broad generic concept of Dendrobium and to pursue an improved infrageneric classification at sectional level, taking into account both morphology and current molecular findings. (C) 2013 Elsevier Inc. All rights reserved.
出版日期: 2013-12-01
卷号: 69, 期号:3, 页码:950-960
DOI标识: 10.1016/j.ympev.2013.06.009
语种: 英语
收录类别: SCI
学科分类: Biochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
ISSN号: 1055-7903
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/17445
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, State Key Lab Systemat & Evolutionary Bot, Beijing 10093, Peoples R China
2.Royal Bot Gardens, Herbarium Lib Art & Arch Directorate, Richmond TW9 3AB, Surrey, England
3.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Yunnan, Peoples R China
4.Chenshan Shanghai Bot Garden, Shanghai 201602, Peoples R China
5.Taiwan Forestry Res Inst, Bot Garden Div, Taipei 10066, Taiwan
6.Chinese Acad Sci, Xishuanbanna Trop Bot Garden, Mengla 666303, Peoples R China

Recommended Citation:
Xiang,Xiao-Guo;Schuiteman,Andre;Li,De-Zhu;Huang,Wei-Chang;Chung,Shih-Wen;Li,Jian-Wu;Zhou,Hai-Lang;Jin,Wei-Tao;Lai,Yang-Jun;Li,Zhen-Yu;Jin,Xiao-Hua.Molecular systematics of Dendrobium (Orchidaceae, Dendrobieae) from mainland Asia based on plastid and nuclear sequences,MOLECULAR PHYLOGENETICS AND EVOLUTION,2013,69(3):950-960
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