Abstract
The new species Pentacalia atrovinosa (Compositae) is described from the Cordillera de Cayapas in northwestern Ecuador. Among other characters, the species is well characterized by its glabrous, fleshy leaves and long-pedunculate capitula with burgundy-colored involucral bracts and ray florets. A detailed taxonomic discussion of similar species is provided, as well as distributional data and illustrations.
Resumen
Se describe la nueva especie Pentacalia atrovinosa (Compositae) de la Cordillera de Cayapas en el noroeste del Ecuador. Entre otros caracteres, la especie se caracteriza por sus hojas glabras y carnosas, y los capítulos largamente pedunculados con brácteas involucrales y lígulas color borgoña. Se provee una discusión taxonómica de las especies morfológicamente similares, así como datos de distribución e ilustraciones.
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Acknowledgements
We are very grateful to the curators and staff of the herbaria mentioned in the text. Special thanks to Thomas Couvreur (IRD) for useful information, Isaline Henry for the illustration, Cyrille Chatelain for drawing advice, Mathieu Christe for technical assistance, and the two anonymous reviewers for insightful suggestions and comments. The collections were made as part of the Arca de Noé Initiative, supported by the Secretaría de Educación Superior, Ciencia, Tecnología e Innovación de la República del Ecuador (SENESCYT, Arca de Noé Initiative; S.R. Ron and O.Torres–Carvajal, main researchers). We thank the Ministry of the Environment of Ecuador for issuing permit # 012-2017-IC-FLO-DNB/MA.
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Calvo, J., Pérez, Á.J. A new, striking species of Pentacalia (Compositae) from Ecuador. Brittonia 75, 225–229 (2023). https://doi.org/10.1007/s12228-023-09740-4
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DOI: https://doi.org/10.1007/s12228-023-09740-4