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Phylogenetic relationships of Rhododendron section Azaleastrum (Ericaceae) based on ITS sequences
Gao, LM; Li, DZ; Zhang, CQ
2003-03-01
发表期刊ACTA PHYTOTAXONOMICA SINICA
卷号41期号:2页码:173-179
摘要The subgenus Azaleastrum Planch. of Rhododendron L. (Ericaceae) was traditionally divided into two sections, i. e. sect. Azaleastrum ( Planch.) Maxim. and sect. Choniastrum Planch. The internal transcribed spacer (ITS) regions of nuclear ribosomal DNA from seven species and one variety of subg. Azaleastrum were sequenced. The ITS sequences of these taxa, together with those of two species of sect. Choniastrum and two related monotypic subgenera, subg. Mumeazalea Maxim. and subg. Candidastrum (Sleumer) Philip. & Philip., were analyzed to reconstruct the phylogeny of the sect. Azaleastrum using PAUP4.0b8, with R. redowskianum Maxim. of subg. Therorhodion (Maxim.) Gray as outgroup. Six most parsimonious trees with a length = 60, a CI = 0.917, and an RI = 0.898 were obtained by the maximum parsimony analysis when the gaps were treated as missing. The topology of the strict consensus tree was identical with that of the maximum likelihood analysis with slightly different bootstrap values. Subg. Candidastrum was nested in the basal position. Subg. Azaleastrum was not monophyletic, but both sect. Azaleastrum and sect. Choniastrum were monophyletic groups with bootstrap values of 81% and 100% respectively. Sect. Azaleastrum was divided into two clades with bootstrap values of 93% and 62% respectively. Subg. Mumeazalea was resolved as sister to sect. Azaleastrum.
关键词Rhododendron Section Azaleastrum Its Phylogeny
学科领域Plant Sciences
收录类别SCI
语种英语
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000185182600002
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被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/11167
专题中国西南野生生物种质资源库
作者单位Chinese Acad Sci, Kunming Inst Bot, Lab Plant Biodivers & Biogeog, Kunming 650204, Peoples R China
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Gao, LM,Li, DZ,Zhang, CQ. Phylogenetic relationships of Rhododendron section Azaleastrum (Ericaceae) based on ITS sequences[J]. ACTA PHYTOTAXONOMICA SINICA,2003,41(2):173-179.
APA Gao, LM,Li, DZ,&Zhang, CQ.(2003).Phylogenetic relationships of Rhododendron section Azaleastrum (Ericaceae) based on ITS sequences.ACTA PHYTOTAXONOMICA SINICA,41(2),173-179.
MLA Gao, LM,et al."Phylogenetic relationships of Rhododendron section Azaleastrum (Ericaceae) based on ITS sequences".ACTA PHYTOTAXONOMICA SINICA 41.2(2003):173-179.
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