A phylogeny of Thermopsideae (Leguminosae : Papilionoideae) inferred from nuclear ribosomal internal transcribed spacer (ITS) sequences
Wang, HC; Sun, H; Compton, JA; Yang, JB
2006-07-01
发表期刊BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
ISSN0024-4074
卷号151期号:3页码:365-373
摘要Based on nuclear ribosomal DNA internal transcribed spacer (ITS) sequences, Thermopsideae is phylogenetically studied within a genistoid background. Analysis reveals that the tribe is not supported as a monophyletic group. Some species of Sophora s.s are nested within it. The central Asian desert Ammopiptanthus forms an isolated clade but is relatively remote to other Thermopsideae members. Piptanthus, Anagyris, Baptisia, and Thermopsis are clustered together into a robust clade. We hence propose that the tribe could either be reduced to just the four 'core genera' with Ammopiptanthus excluded, or, as an alternative, that Thermopsideae could become part of a new Sophoreae s.s. if it is re-circumscribed in the future. Both Piptanthus and Baptisia appear as monophyletic. The genus Anagyris is closer to some east Asian Thermopsis species than to Piptanthus. The east Asian and North American disjunct Thermopsis is not monophyletic. The ITS results suggest a geographical division between the Old World and New World Thermopsis. The east Asian species are clustered with Piptanthus and Anagyris, whereas the North American species are allied to Baptisia. Nonetheless, the only two north-eastern east Asian native Thermopsis species appear to be more related to the North American group than to the east Asian one. The related biogeographical significance has therefore been additionally discussed. (c) 2006 The Linnean Society of London.
关键词Biogeography Fabaceae Molecular Systematics
收录类别SCI
语种英语
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/2767
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Lab Biodivers & Biogeog, Kunming 650204, Yunnan, Peoples R China
2.Chinese Acad Sci, Wuhan Bot Garden, Lab Systemat & Taxon, Wuhan 430074, Hubei, Peoples R China
3.Univ Reading, Dept Bot, Sch Plant Sci, Reading RG6 6AS, Berks, England
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Wang, HC,Sun, H,Compton, JA,et al. A phylogeny of Thermopsideae (Leguminosae : Papilionoideae) inferred from nuclear ribosomal internal transcribed spacer (ITS) sequences[J]. BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,2006,151(3):365-373.
APA Wang, HC,Sun, H,Compton, JA,&Yang, JB.(2006).A phylogeny of Thermopsideae (Leguminosae : Papilionoideae) inferred from nuclear ribosomal internal transcribed spacer (ITS) sequences.BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,151(3),365-373.
MLA Wang, HC,et al."A phylogeny of Thermopsideae (Leguminosae : Papilionoideae) inferred from nuclear ribosomal internal transcribed spacer (ITS) sequences".BOTANICAL JOURNAL OF THE LINNEAN SOCIETY 151.3(2006):365-373.
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