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题名: An updated genus-wide phylogenetic analysis of Arisaema (Araceae) with reference to sections
作者: Ohi-Toma, Tetsuo; Wu, Sugong; Murata, Hiroko; Murata, Jin
刊名: BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
关键词: chloroplast DNA ; infrageneric classification ; molecular phylogeny
英文摘要: Arisaema has a long and complicated taxonomic history regarding its infrageneric classification. In the latest system, 14 sections were recognized, based on an unpublished, tentative phylogenetic analysis; in addition the type species and nomenclatural priority for each section were confirmed. Here, we present an updated, genus-wide phylogenetic analysis, based on four plastid non-coding regions (3trnL-trnF, rpl20-5rps12, psbB-psbH and rpoC2-rps2) for >150 accessions. The maximum parsimony and maximum likelihood phylogenetic analyses identified eight major clades and one branch with unique sequence variation, although the relationships were unclear due to a polytomy and weak support. In the phylogenetic trees, most of the sections proposed in the latest system were distinct and corresponded to the major clades, but some sections are not monophyletic. On the basis of the phylogenetic relationship: (1) A. schimperianum is treated as a member of section Arisaema, rather than section Tenuipistillata or section Sinarisaema; and (2) section Fimbriata, which was synonymised into section Attenuata in the latest system but is morphologically distinct from the other species, is redefined as a monotypic section. In conclusion, we recognize 15 sections of Arisaema and species-level classifications are discussed in a phylogenetic context.
出版日期: 2016-09-01
卷号: 182, 期号:1, 页码:100-114
DOI标识: 10.1111/boj.12459
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/28631
Appears in Collections:离退休_期刊论文

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