Contribution to the study of the genus Fuirena (Cyperaceae) in Argentina

Authors

  • Andrea Reutemann Instituto de Botánica Darwinion (CONICET-ANCEFN), Labardén 200, Casilla de Correo 22, B1642HYD, San Isidro, Buenos Aires, Argentina; Facultad de Ciencias Agrarias, Universidad Nacional del Litoral, R. P. Kreder 2805, 3080, Esperanza, Santa Fe, Argentina; andrea.reutemann@darwin.edu.ar
  • Juca A. B. San Martin Instituto de Botánica Darwinion (CONICET-ANCEFN), Labardén 200, Casilla de Correo 22, B1642HYD, San Isidro, Buenos Aires, Argentina.
  • M. Gabriela López 3Facultad de Ciencias Agrarias, Universidad Nacional del Nordeste, Sargento Juan Bautista Cabral 2131, Casilla de Correo 209, 3400, Corrientes, Argentina; mglopez@agr.unne.edu.ar

DOI:

https://doi.org/10.14522/darwiniana.2025.131.1258

Keywords:

Cyperoideae, Fuireneae, lectotypification, NE Argentina, taxonomy

Abstract

Fuirena (ca. 55 species) is a tropical to warm temperate genus, with centers of diversity in Africa and the Americas. In Argentina it is represented by three species and one form. In this paper we treat the genus Fuirena for Argentina. A new species historically confused with Fuirena incompleta Nees is here described and illustrated, Fuirena truncata Reutemann & M. G. López. Diagnostic characters that allow differentiation of F. truncata from F. incompleta are compared, and information on their geographical distribution is provided. Fuirena incompleta Nees f. glabra Maury is subsumed under the synonymy of F. incompleta, and lectotypes are designated for F. incompleta and F. incompleta f. glabra. An updated identification key to the four species of Fuirena recognized in this study for Argentina is also provided. Finally, the taxonomic value of leaf and stem anatomy for the Argentinian species of Fuirena is discussed.

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Fuirena

Published

06-02-2025

How to Cite

Reutemann, A., San Martin, J. A. B., & López, M. G. (2025). Contribution to the study of the genus Fuirena (Cyperaceae) in Argentina. Darwiniana, Nueva Serie, 13(1), 13–29. https://doi.org/10.14522/darwiniana.2025.131.1258

Issue

Section

Systematics and Taxonomy of Plants