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题名: Phylogenetics and evolution of phyllotaxy in the Solomon's seal genus Polygonatum (Asparagaceae: Polygonateae)
作者: Meng, Ying1, 2, 3, 4, 5; Nie, Ze-Long1, 4, 5; Deng, Tao1; Wen, Jun6; Yang Yongping(杨永平)1, 2, 3
刊名: BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
关键词: leaf arrangement ; phylogeny ; Polygonatum section Sibirica
英文摘要: Polygonatum is the largest and most complex genus in tribe Polygonateae, comprising approximately 57 species widely distributed in the warm temperate, subtropical and boreal zones of the Northern Hemisphere. However, phylogenetic relationships in the genus remain poorly understood. The objectives of this study were to reconstruct the phylogenetic relationships of the genus using four plastid markers, and to examine the evolution of leaf arrangement in Polygonatum in the phylogenetic context of its closely related taxa. Thirty Polygonatum species were sampled to infer phylogenetic relationships using maximum-likelihood and Bayesian analyses. The evolution of leaf arrangements was reconstructed using Bayesian, parsimony and likelihood methods. The phylogenetic analyses supported the current generic delimitation of Polygonatum, with Heteropolygonatum recognized as a distinct genus. Three major lineages in Polygonatum were well supported, largely correlated with geographical distribution and the most recent classification at the sectional level. However, our results did not support the currently recognized series, especially the two large series Verticillata and Alternifolia.Bayesian analyses support the alternate-leaf arrangement as the ancestral state for Polygonatum, but parsimony and maximum-likelihood analyses suggest an equivocal state for crown Polygonatum. Leaf arrangement was found to be evolutionarily labile. A new nomenclatural combination was made: Polygonatum sectionSibirica (L.I.Abramova) Y.Meng, comb. nov.(c) 2014 The Linnean Society of London, Botanical Journal of the Linnean Society, 2014, 176, 435-451.
出版日期: 2014-12-01
卷号: 176, 期号:4, 页码:435-451
DOI标识: 10.1111/boj.12218
语种: 英语
收录类别: SCI
学科分类: Plant Sciences
ISSN号: 0024-4074
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/18446
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
2.Chinese Acad Sci, Inst Tibetan Plateau Res Kunming, Kunming 650201, Yunnan, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Plant Germplasm & Genom Ctr, Germplasm Bank Wild Species Southwest China, Kunming 650201, Yunnan, Peoples R China
4.Jishou Univ, Key Lab Plant Resources Conservat & Utilizat, Jishou 416000, Hunan, Peoples R China
5.Jishou Univ, Coll Biol & Environm Sci, Jishou 416000, Hunan, Peoples R China
6.Smithsonian Inst, Natl Museum Nat Hist, Dept Bot, Washington, DC 20013 USA

Recommended Citation:
Meng,Ying;Nie,Ze-Long;Deng,Tao;Wen,Jun;Yang,Yong-Ping.Phylogenetics and evolution of phyllotaxy in the Solomon's seal genus Polygonatum (Asparagaceae: Polygonateae),BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,2014,111(46):E4954-E4962
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