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题名: Phylogeny of Pyroleae (Ericaceae): implications for character evolution
作者: Liu, Zhen-wen1, 2; Wang, Ze-huan1, 2; Zhou, Jing1, 3; null(彭华)1
刊名: JOURNAL OF PLANT RESEARCH
关键词: Character evolution ; Ericaceae ; Molecular phylogeny ; Morphology ; Pyroleae
英文摘要: Pyroleae (Ericaceae) consist of four genera, all of which are distributed widely in temperate coniferous or sometimes deciduous forests of the Northern Hemisphere. To investigate the phylogenetic relationships among these genera and to explore the evolution of the characteristics of the subfamily, we conducted maximum parsimony and Bayesian analyses with nrDNA ITS and three cpDNA intergenic spacers (atpB-rbcL, trnS-trnG and trnL-trnF). The results from cpDNA and combined cpDNA + ITS data sets strongly support the monophyly of Pyroleae as well as a sister relationship between Pyrola and Moneses-Chimaphila, with Orthilia as the basal lineage. The sister-group relationship between Moneses and Chimaphila is supported by a set of synapomorphies, e.g., single flower, colpate pollen, five bundles in the style, straight fruiting pedicel orientation, complete capsule dehiscence, and the basic chromosome number, x = 13. The Moneses-Chimaphila-Pyrola clade is supported by at least one homologous character of pollen in tetrads. Conflicts associated with the phylogenetic position of Orthilia may imply a hybrid origin for it, and therefore further study is needed.
出版日期: 2011-05-01
卷号: 124, 期号:3, 页码:325-337
语种: 英语
收录类别: SCI
学科分类: Plant Sciences
ISSN号: 0918-9440
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/3888
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 Biodivers & Biogeog, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Kunming Med Univ, Sch Pharmaceut Sci, Kunming 650031, Peoples R China

Recommended Citation:
Liu, Zhen-wen; Wang, Ze-huan; Zhou, Jing; Peng, Hua.Phylogeny of Pyroleae (Ericaceae): implications for character evolution,JOURNAL OF PLANT RESEARCH,2011,124(3):325-337
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