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Phylogeny and taxonomy of Afrocayratia, a new genus of Vitaceae from continental Africa and Madagascar
Rabarijaona, Romer Narindra1; Dang, Viet-Cuong; Parmar, Gaurav1; Liu, Bing; Wen, Jun4; Chen, Zhi-Duan; Lu, Li-Min
2020
Source PublicationJOURNAL OF SYSTEMATICS AND EVOLUTION
ISSN1674-4918
Volume58Issue:6Pages:1090-1107
AbstractThe genus Cayratia Juss. in the traditional sense (i.e., Cayratia s.l.) of the grape family has been shown to be non-monophyletic. Previous studies supported the splitting of Cayratia s.l. into three genera, that is, Cayratia s.s., Causonis Raf., and a new genus representing the African Cayratia clade. However, the morphology of the African Cayratia clade has not been studied carefully and its phylogenetic position within Vitaceae remains unclear. Our study integrates molecular, distributional, and morphological data and supports the recognition of the new genus Afrocayratia from continental Africa and Madagascar. Phylogenetic analyses strongly support the monophyly of Afrocayratia and resolve it as a sister of Cayratia s.s. based on the chloroplast data, but it is placed sister to Cyphostemma based on the internal transcribed spacer dataset. Molecular dating suggests that Afrocayratia split with Cayratia s.s. during the Paleocene, but that the extant species of Afrocayratia did not diversify until the early Miocene. Afrocayratia differs from its allied genera in having short stigmas and seeds with subcircular ventral infold cavities in cross-section. Three clades are detected within Afrocayratia, with A. debilis (Baker) J.Wen & L.M.Lu as the first diverged lineage. The second diverged lineage includes A. delicatula (Willems) J.Wen & Z.D.Chen and A. gracilis (Guill. & Perr.) J.Wen & Z.D.Chen. The third diverged lineage includes A. imerinensis (Baker) J.Wen & L.M.Lu, A. longiflora (Desc.) J.Wen & Rabarijaona, and A. triternata (Baker) J.Wen & Rabarijaona from Madagascar, which form a monophyletic group that diverged from the second lineage in the middle Miocene. Combining the morphological and molecular evidence, we formally describe the new genus Afrocayratia, make seven new combinations, and provide a key to species of the genus.
KeywordAfrocayratia Cayratia continental Africa Madagascar molecular phylogeny new genus seed Vitaceae
Subject AreaPlant Sciences
DOI10.1111/jse.12697
Indexed BySCI
Language英语
WOS KeywordGRAPE FAMILY VITACEAE ; SEED MORPHOLOGY ; EVOLUTION ; AMPELOCISSUS ; CISSUS ; DIVERSIFICATION ; SOFTWARE ; VITALES ; FRUITS ; CHINA
WOS Research AreaPlant Sciences
WOS IDWOS:000603082900020
PublisherWILEY
Special IssueSI
SubtypeArticle
Publication PlaceHOBOKEN
EISSN1759-6831
Corresponding Author Emailliminlu@ibcas.ac.cn
OABronze
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ibcas.ac.cn/handle/2S10CLM1/21486
Collection系统与进化植物学国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Vietnam Acad Sci & Technol, Inst Marine Biochem, Hanoi 10072, Vietnam
4.Chinese Acad Sci, Sino Africa Joint Res Ctr, Wuhan 430074, Peoples R China
5.Smithsonian Inst, Dept Bot, Natl Museum Nat Hist, Washington, DC 20013 USA
Recommended Citation
GB/T 7714
Rabarijaona, Romer Narindra,Dang, Viet-Cuong,Parmar, Gaurav,et al. Phylogeny and taxonomy of Afrocayratia, a new genus of Vitaceae from continental Africa and Madagascar[J]. JOURNAL OF SYSTEMATICS AND EVOLUTION,2020,58(6):1090-1107.
APA Rabarijaona, Romer Narindra.,Dang, Viet-Cuong.,Parmar, Gaurav.,Liu, Bing.,Wen, Jun.,...&Lu, Li-Min.(2020).Phylogeny and taxonomy of Afrocayratia, a new genus of Vitaceae from continental Africa and Madagascar.JOURNAL OF SYSTEMATICS AND EVOLUTION,58(6),1090-1107.
MLA Rabarijaona, Romer Narindra,et al."Phylogeny and taxonomy of Afrocayratia, a new genus of Vitaceae from continental Africa and Madagascar".JOURNAL OF SYSTEMATICS AND EVOLUTION 58.6(2020):1090-1107.
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