Abstract
Two new species of Melastomataceae are described and illustrated: Henriettea sierrae from the mountains of eastern Cuba, and Henriettea multigemma from the Sierra de Bahoruco in the Dominican Republic, Hispaniola. Both species belong to the complex of squamous Henriettea species endemic to the Greater Antilles. Henriettea sierrae is distinguished by its ciliate leaves, foliose bracteoles at the base of the flowers, and lanceolate petals with lateral teeth in their apical third. Henriettea multigemma is distinguished by its fascicles of numerous flowers that are borne of suberose protuberances formed by multiple flower buds in the leafless nodes of the stems, and by the presence of leaves with apical domatia.
Resumen
Se describen e ilustran dos nuevas especies de Melastomataceae, Henriettea sierrae de las montañas del este de Cuba y Henriettea multigemma de la Sierra de Bahoruco, Republica Dominicana, La Española. Ambas pertenecen al “complejo de especies escamosas” de Henriettea endémicas de las Antillas Mayores. Henriettea sierrae se distingue por sus hojas ciliadas, bractéolas foliosas en la base de las flores y pétalos lanceolados con dientes laterales en el tercio apical. Mientras que H. multigemma se distingue por sus fascículos de numerosas flores que nacen sobre protuberancias suberosas, formadas por las multiples yemas florales en los nudos defoliados y la presencia de hojas con domacios apicales.
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Acknowledgments
We are grateful to the National Geographic Society and University of Pennsylvania, especially to Logan Kistler, for logistical support enabling WC to visit NYBG and to conduct fieldwork. Fieldwork was also partially supported by a grant from the International Association of Plant Taxonomy (IAPT). Herbarium and laboratory work was partially funded by the Richard Lounsbery Foundation and the National Science Foundation (DEB-0818399). Teodoro Clase kindly located the JBSD specimens and provided us with digital images. Two anonymous reviewers provided many comments that helped to improve the manuscript.
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Carmenate-Reyes, W., Michelangeli, F.A. & Bécquer, E.R. Two new species of Henriettea (Melastomataceae, Henrietteeae) for the flora of the Greater Antilles. Brittonia 69, 359–369 (2017). https://doi.org/10.1007/s12228-017-9466-4
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DOI: https://doi.org/10.1007/s12228-017-9466-4