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Rehmannieae or Rehmanniaceae? Evidence from plastome sequences and floral morphology
Xia, Zhi; Li, Cui-Cui; Wen, Jun1; Wang, Yin-Zheng
2021
发表期刊BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
ISSN0024-4074
卷号196期号:2页码:145-162
摘要Rehmannia and Triaenophora form a clade and are widely accepted as being closely allied with Orobanchaceae in Lamiales. However, the taxonomic rank of this clade and its geographical origins are understudied and poorly known. The genera have together been recognized as Orobanchaceae tribe Rehmannieae or Rehmanniaceae. To re-evaluate the taxonomy and systematic position and affinities of these genera, we reconstructed a phylogenety using complete plastid genomes (plastomes) and performed an analysis of comparative floral development. Additionally, we investigated the geographical distributions of Rehmannia and Triaenophora to determine the centre of diversity and origin. The phylogenetic analyses showed that Rehmannia and Triaenophora formed a clade that is sister to all other Orobanchaceae. This relationship was also supported by fruit and floral morphological traits, such as capsules partly or half exserted from the persistent calyx tubes, reticulate testa of seeds, cochlear ascending corolla (rhinanthoid aestivation), late sympetalous corolla tube and axile placentation. In addition, the loss of the adaxial stamen leaving a gap at its expected initiation site and two lateral bracteoles in Rehmannia and Triaenophora may be derived or represent a phylogenetic transitional form in Lamiales. We suggest that Rehmannia and Triaenophora clade should be treated as Orobanchaceae tribe Rehmannieae rather than as a distinct family of Lamiales. The distribution pattern of Rehmannia and Triaenophora indicate that the ShennongjiaWushan region in central China represents the geographical origin and centre of diversification of the genera.
关键词floral development Lamiales Orobanchaceae plastid genome Rehmannia Triaenophora
学科领域Plant Sciences
DOI10.1093/botlinnean/boaa105
收录类别SCI
语种英语
WOS关键词SENSU-LATO OROBANCHACEAE ; FAMILY SCROPHULARIACEAE ; PHYLOGENETIC ANALYSIS ; SEED MORPHOLOGY ; EASTERN ASIA ; EVOLUTION ; ANATOMY ; DISINTEGRATION ; PHYLOGEOGRAPHY ; SYSTEMATICS
WOS研究方向Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号WOS:000722007000001
出版者OXFORD UNIV PRESS
文献子类Article
出版地OXFORD
EISSN1095-8339
资助机构National Natural Science Foundation of China [31770370, U1404302] ; Scientific Research Projects of Henan Provincial Education Department [18A360006] ; China Scholarship Council [20175087]
作者邮箱xiazhiemail@126.com ; wenj@si.edu ; wangyz@ibcas.cn
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/26341
专题系统与进化植物学国家重点实验室
作者单位1.Henan Agr Univ, Coll Agron, Zhengzhou 450046, Peoples R China
2.Smithsonian Inst, Dept Bot, Natl Museum Nat Hist, Washington, DC 20013 USA
3.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
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GB/T 7714
Xia, Zhi,Li, Cui-Cui,Wen, Jun,et al. Rehmannieae or Rehmanniaceae? Evidence from plastome sequences and floral morphology[J]. BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,2021,196(2):145-162.
APA Xia, Zhi,Li, Cui-Cui,Wen, Jun,&Wang, Yin-Zheng.(2021).Rehmannieae or Rehmanniaceae? Evidence from plastome sequences and floral morphology.BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,196(2),145-162.
MLA Xia, Zhi,et al."Rehmannieae or Rehmanniaceae? Evidence from plastome sequences and floral morphology".BOTANICAL JOURNAL OF THE LINNEAN SOCIETY 196.2(2021):145-162.
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