Phylogeny and staminal evolution of Salvia (Lamiaceae, Nepetoideae) in East Asia
Hu, Guo-Xiong1,2; Takano, Atsuko3; Drew, Bryan T.4; Liu, En-De1; Soltis, Douglas E.5,6; Soltis, Pamela S.5; Peng, Hua1; Xiang, Chun-Lei1
2018-09-14
发表期刊ANNALS OF BOTANY
ISSN0305-7364
卷号122期号:4页码:649-668
摘要Background and Aims Salvia is the largest genus within Lamiaceae, with about 980 species currently recognized. East Asia, with approx. 100 species. is one of the three major biodiversity centres of Salvia. However, relationships within this lineage remain unclear, and the staminal lever mechanism, which may represent a key innovation within the genus. has been understudied. By using six genetic markers and nearly comprehensive taxon sampling, this study attempts to elucidate relationships and examine evolutionary trends of staminal development within the East Asia (EA) Salvia clade. Methods Ninety-one taxa of EA Salvia were sampled and 34 taxa representing all other major lineages of Salvia were included for analysis. Two nuclear [internal transcribed spacer (ITS) and external transcribed spacer (ETS)] and four chloroplast (psbA-trnH, ycf1-rps15, trnL-trnF and rbcL) DNA markers were used for phylogenetic analysis employing maximum parsimony (MP). maximum likelihood (ML) and BEAST, with the latter also used to estimate divergence times. Key Results All Salvia species native to East Asia form a Glade, and eight major subclades (A-G) were recognized. Subclade A, comprising two limestone endemics (S. sonchifolia and S. petrophila), is sister to the remainder of EA Salvia. Six distinct stamen types were observed within the EA Glade. Stamen type A, with two fully fertile posterior thecae, only occurs in S. sonchifolia and may represent the ancestral stamen type within EA Salvia. Divergence time estimates showed that the crown of EA Salvia began to diversify approx. 17.4 million years ago. Conclusions This study supports the adoption of a broadly defined Salvia and treats EA Salvia as a subgenus, Glutinaria, recognizing eight sections within this subgenus. Stamen type A is ostensibly plesiomorphic within EA Salvia, and the other five types may have been derived from it. Staminal morphology has evolved in parallel within the EA Salvia, and staminal structure alone is inadequate to delimit infrageneric categories.
关键词Salvia phylogeny staminal evolution stamen movement Mentheae Salvia sonchifolia Salvia plebeia subg. Glutinaria sect. Sobiso
资助信息Natural Science Foundation of Yunnan Province; National Natural Science Foundation of China; Japan Society for the Promotion of Science; united fund of the Natural Science Foundation of Guizhou Province and Guizhou University; Construction Program of Biology First-class Discipline in Guizhou
DOI10.1093/aob/mcy104
语种英语
资助项目Natural Science Foundation of Yunnan Province[2015FB169] ; National Natural Science Foundation of China[31370229] ; National Natural Science Foundation of China[31600164] ; Japan Society for the Promotion of Science[1264402271] ; united fund of the Natural Science Foundation of Guizhou Province and Guizhou University[III [2017]7278] ; Construction Program of Biology First-class Discipline in Guizhou[CINYL [2017] 009]
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000446086500015
出版者OXFORD UNIV PRESS
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/62552
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
通讯作者Peng, Hua; Xiang, Chun-Lei
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
2.Guizhou Univ, Coll Life Sci, Guiyang 550025, Guizhou, Peoples R China
3.Museum Nat & Human Act, 6 Chome, Sanda, Hyogo 6691546, Japan
4.Univ Nebraska Kearney, Dept Biol, Kearney, NE 68849 USA
5.Univ Florida, Dept Biol, Gainesville, FL 32611 USA
6.Univ Florida, Florida Museum Nat Hist, Gainesville, FL 32611 USA
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Hu, Guo-Xiong,Takano, Atsuko,Drew, Bryan T.,et al. Phylogeny and staminal evolution of Salvia (Lamiaceae, Nepetoideae) in East Asia[J]. ANNALS OF BOTANY,2018,122(4):649-668.
APA Hu, Guo-Xiong.,Takano, Atsuko.,Drew, Bryan T..,Liu, En-De.,Soltis, Douglas E..,...&Xiang, Chun-Lei.(2018).Phylogeny and staminal evolution of Salvia (Lamiaceae, Nepetoideae) in East Asia.ANNALS OF BOTANY,122(4),649-668.
MLA Hu, Guo-Xiong,et al."Phylogeny and staminal evolution of Salvia (Lamiaceae, Nepetoideae) in East Asia".ANNALS OF BOTANY 122.4(2018):649-668.
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