New insights into the taxonomy of tribe Euclidieae (Brassicaceae), evidence from nrITS sequence data

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 21 Jun 2018Publisher:Pensoft PublishersJournal:PhytoKeys, volume 100, pages 125-139 (issn: 1314-2011, eissn: 1314-2003,

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Authors: Chen,Hongliang; Al-Shehbaz,Ihsan A.; Yue,Jipei; Sun,Hang;

doi: 10.3897/phytokeys.100.24756

pmid: 29962892

pmc: PMC6023952

New insights into the taxonomy of tribe Euclidieae (Brassicaceae), evidence from nrITS sequence data

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Abstract

As currently delimitated, the species-rich mustard tribe Euclidieae DC. (Brassicaceae) comprises 28 genera and 152 species distributed primarily in Asia. To date, no tribe-wide comprehensive phylogenetic analysis has been conducted. In this study, sequence data from the nuclear ribosomal internal transcribed spacer (nrITS) region of 82 species in all 28 genera of Euclidieae were used to test its monophyly and infer inter- and intra-generic relationships within. Phylogenetic analyses revealed thatRhammatophyllumandSisymbriopsisare embedded withinSolms-laubachias.l., andSolms-laubachialanuginosa(Eurycarpuslanuginosus) fell outside the tribe. Therefore,Solms-laubachias.l. as currently recognized is not monophyletic and its generic delimitation needed further study. Besides, our results suggest that the generaLepidostemon,Neotorularia, andTetracmeare polyphyletic.

Related Organizations

Chinese Academy of Sciences
China (People's Republic of)
Missouri Botanical Garden
United States
Kunming Institute of Botany
China (People's Republic of)
University of Chinese Academy of Sciences
China (People's Republic of)

Keywords

Botany, nrITS, Brassicales, Solms-laubachia, Cruciferae, Tracheophyta, Magnoliopsida, QK1-989, Brassicaceae, Plantae, Phylogeny, Euclidieae, Research Article

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