Phylogenetic relationships of Rhododendron section Azaleastrum (Ericaceae) based on ITS sequences

	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记录号	WOS:000185182600002
引用统计
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
推荐引用方式 GB/T 7714	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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