A molecular phylogeny of Chinese Apiaceae subfamily Apioideae inferred from nuclear ribosomal DNA internal transcribed spacer sequences
Zhou, Jing1,2; Peng, Hua1; Downie, Stephen R.3; Liu, Zhen-Wen1,2; Gong, Xun1
2008-05-01
发表期刊TAXON
ISSN0040-0262
卷号57期号:2页码:402-416
摘要The Hengduan Mountains of the Sino-Himalayas are rich in endemic species of Apiaceae subfamily Apioideae. To investigate relationships among these species and to ascertain their higher-level phylogenetic placements within the subfamily, we examined 106 accessions (representing 100 species from 52 genera) including the Chinese endemic genera Changium, Cyclorhiza, Notopterygium, Nothosmyrnium, and Sinolimprichtia. Sixty-three of these accessions were newly sequenced. Phylogenetic trees were inferred using maximum parsimony and Bayesian analyses of nuclear ribosomal DNA internal transcribed spacer (ITS) sequences. The phylogenetic trees were highly consistent and revealed several major clades heretofore unrecognized in the subfamily. Changium and Cyclorhiza fall within the Komarovia clade of previous investigations and Nothosmyrnium allies with tribe Pimpinelleae. Notopterygium and Sinolimprichtia along with many other taxa of Sino-Himalayan distribution comprise a well-supported East Asia clade; Vicatia and Haplosphaera arise within a paraphyletic Notopterygium. Other newly recognized, well-supported major clades include the Chamaesium clade, sister group to all other examined Apioideae except tribe Bupleureae, and the Asian Acronema clade, sister group to tribe Scandiceae. The Chamaesium clade and Bupleureae may represent the earliest diverging lineages of Apioideae in Asia. Sinodielsia allies weakly with Pterocyclus or is a sister group to the clade of tribe Apieae plus Pterocyclus; Sinodielsia is distinct from Meeboldia and Vicatia. Genera whose boundaries are poorly defined and controversial on the basis of morphology (Ligusticum, Peucedanum, Physospermopsis, Pimpinella, Pleurospermum, Sinocarum, Tongoloa, Trachyspermum) are not monophyletic in the ITS-based phylogenies. Further study of these Chinese endemics is necessary to produce a comprehensive, modern classification of Apiaceae subfamily Apioideae.
关键词Apiaceae Subfamily Apioideae Chinese Endemism Hengduan Mountains Nrdna Its Phylogeny
收录类别SCI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/2659
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, Key Lab Biodivers & Biogeog, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Univ Illinois, Dept Plant Biol, Urbana, IL 61801 USA
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Zhou, Jing,Peng, Hua,Downie, Stephen R.,et al. A molecular phylogeny of Chinese Apiaceae subfamily Apioideae inferred from nuclear ribosomal DNA internal transcribed spacer sequences[J]. TAXON,2008,57(2):402-416.
APA Zhou, Jing,Peng, Hua,Downie, Stephen R.,Liu, Zhen-Wen,&Gong, Xun.(2008).A molecular phylogeny of Chinese Apiaceae subfamily Apioideae inferred from nuclear ribosomal DNA internal transcribed spacer sequences.TAXON,57(2),402-416.
MLA Zhou, Jing,et al."A molecular phylogeny of Chinese Apiaceae subfamily Apioideae inferred from nuclear ribosomal DNA internal transcribed spacer sequences".TAXON 57.2(2008):402-416.
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