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Recircumscription and synopsis of Thyrsanthemum and Weldenia (Commelinaceae), two narrow endemic genera from Mesoamerica

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Summary

The recircumscription and updated synopsis of Thyrsanthemum, together with a synopsis of Weldenia, are presented, with three new combinations, four new lectotypes, an identification key, and comments, distribution maps, and illustrations for all accepted species.

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Acknowledgements

The authors would like to thank the staff and curators of the visited herbaria for their help and support during our visits to the collections, the specimens loaned, and for sending high-quality images of requested specimens. The authors would also like to thank Jefferson Prado for carefully reviewing an early version of this manuscript; Ivón Ramírez-Morillo and an anonymous reviewer for constructive suggestions during the review process; and Pedro Acevedo-Rodríguez, Stephen Cross, Mark Egger, Abisaí García-Mendoza, Harry Jans (from www.jansalpines.com), Anneke Jonker, Pedro Tenorio-Lezama, Marcos Bodo Nuñez Oberg, Lluvia Ramírez, Dennis Stevenson, Ricardo Arredondo-Torres, and Bert Zaalberg (from www.massonia.com) for the beautiful field photos of Thyrsanthemum and Weldenia. MOOP would like to thank Rafael Felipe de Almeida for suggestions on an early version of this manuscript, for making the distribution maps, and for the constant support; and David R. Hunt (in memoriam) for all the support and discussions on Commelinaceae, and for reviewing an early version of this manuscript. This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - Brasil (CAPES) - Finance Code 001, through the PhD fellowship granted to MOOP, besides Fundação Flora de Apoio à Botânica and Smithsonian Institution for his REFLORA grant. This study was carried out as part of the requirements for MOOP’s PhD degree in Botany at Programa de Pós-Graduação em Botânica, Instituto de Biociências, Universidade de São Paulo — USP.

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  1. Universidade Federal Rural da Amazônia / Museu Paraense Emilio Goeldi, Av. Perimetral 1901, Terra Firme, 66077-830, Belém, PA, Brazil

    Marco O. O. Pellegrini

  2. Scientifik Consultoria, 25651-090, Petrópolis, RJ, Brazil

    Marco O. O. Pellegrini

  3. División de Ciencias Biológicas y de la Salud, Departamento de Biología, Universidad Autónoma Metropolitana-Iztapalapa, Apdo. Postal 55-535, 09340, México, D.F., México

    Adolfo Espejo-Serna

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Correspondence to Marco O. O. Pellegrini.

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Pellegrini, M.O.O., Espejo-Serna, A. Recircumscription and synopsis of Thyrsanthemum and Weldenia (Commelinaceae), two narrow endemic genera from Mesoamerica. Kew Bull 76, 269–286 (2021). https://doi.org/10.1007/s12225-021-09948-1

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