Total evidence phylogeny of Pontederiaceae (Commelinales) sheds light on the necessity of its recircumscription and synopsis of Pontederia L.

descriptionPublicationkeyboard_double_arrow_right Article 29 Aug 2018Publisher:Pensoft PublishersJournal:PhytoKeys, volume 108, pages 25-83 (issn: 1314-2011, eissn: 1314-2003,

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Authors: Marco O. O. Pellegrini; Charles N. Horn; Rafael F. Almeida;

doi: 10.3897/phytokeys.108.27652

pmid: 30275733

pmc: PMC6160854

Total evidence phylogeny of Pontederiaceae (Commelinales) sheds light on the necessity of its recircumscription and synopsis of Pontederia L.

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Abstract

A total evidence phylogeny for Pontederiaceae is herein presented based on new morphological and previously published molecular data. Our results led us to re-circumscribePontederiato includeMonochoria,Pontederias.s.and the polyphyleticEichhornia. We provide the needed ten new combinations and 16 typifications, arrange a total of 25 accepted species (six representing re-established names) in 5 new subgenera. Furthermore, we provide an identification key for the two genera accepted by us in Pontederiaceae, an identification key to the subgenera, identification keys to the species of each subgenus and commentaries onPontederias.l., as well as for each subgenus and each species.

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Keywords

Reussia, Liliopsida, Botany, Pontederia, Tracheophyta, pickerelweed, Pontederiaceae, Eichhornia, QK1-989, water-hyacinth, Commelinales, Aquatic flora, Plantae, Monochoria, Research Article

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