Summary
Merostachys Spreng. is a Neotropical woody bamboo genus that encompasses c. 57 described species. In this study, we provide a redescription of Merostachys speciosa Spreng., type species of the genus, and a second-step lectotypification of the name. We also include taxonomic comments, information about geographic distribution (including a map) and the conservation status of this species. In addition, we provide a table to compare M. speciosa with three morphologically similar species (M. brevigluma Send., M. kunthii Rupr. and M. neesii Rupr.) on the basis of a set of vegetative and reproductive characters.
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Acknowledgements
We acknowledge assistance from the Programa de Pós-Graduação em Botânica of Universidade Federal de Viçosa (PPG/Bot/UFV) and support from the following funding agencies: Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) in the Programa de Apoio à Pós-Graduação (PROAP) and in the International Doctoral Program in Sandwich (PDSE, n° 88881.135178/2016-01 to R. Vinícius-Silva), Fundação de Amparo à Pesquisa do Estado de Minas Gerais (FAPEMIG, grant APQ-03255-16 to A. P. Santos-Gonçalves), Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq, grants 563545/2010-0 REFLORA to A. P. Santos-Gonçalves and 401526/2014-3-PVE to R. P. Oliveira), Bamboos of the Americas (BOTA) and the Ned Jaquith Foundation (grants to R. Vinícius-Silva to support fieldwork). We thank Vladimir Dorofeyev from the LE herbarium, Robert Soreng and Paul Peterson from the US herbarium for making the Merostachys speciosa photos available for use in this manuscript. We acknowledge Rodney Schmidt for help with the fieldwork, Jefferson Prado for advice on the taxonomic treatment and Robert Soreng for support during a visit to the U.S. National Herbarium, Washington D.C., U.S.A. We also thank Reinaldo Pinto for the illustrations and Michael Bonilla for the preparation of the geographic distribution map.
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Vinícius-Silva, R., Clark, L.G., Fregonezi, J.N. et al. Clarifying the identity of Merostachys speciosa (Poaceae: Bambusoideae: Bambuseae), type species of the genus, through redescription and second-step lectotypification. Kew Bull 76, 453–461 (2021). https://doi.org/10.1007/s12225-021-09958-z
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DOI: https://doi.org/10.1007/s12225-021-09958-z