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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 |
ISSN | 0024-4074 |
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 |
DOI | 10.1093/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 |
EISSN | 1095-8339 |
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 | |
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 |
推荐引用方式 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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