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Issue: Vol. 704 No. 2: 6 Jun. 2025
Type: Article
Published: 2025-06-06
DOI: 10.11646/phytotaxa.704.2.2
Page range: 106-152
Abstract views: 171
PDF downloaded: 26

A taxonomic revision of Coccoloba sect. Paniculatae (Polygonaceae, Eriogonoideae)

Herbario IEB, Instituto de Ecología A.C., Centro Regional del Bajío, Av. Lázaro Cárdenas 253, 61600, Pátzcuaro, Michoacán, México; Herbario UADY, Departamento de Botánica, Campus de Ciencias Biológicas y Agropecuarias, Universidad Autónoma de Yucatán, carretera Mérida-Xmatkuil km 15.5, 97100, Mérida, Yucatán, México
Herbario UADY, Departamento de Botánica, Campus de Ciencias Biológicas y Agropecuarias, Universidad Autónoma de Yucatán, carretera Mérida-Xmatkuil km 15.5, 97100, Mérida, Yucatán, México
Herbario UADY, Departamento de Botánica, Campus de Ciencias Biológicas y Agropecuarias, Universidad Autónoma de Yucatán, carretera Mérida-Xmatkuil km 15.5, 97100, Mérida, Yucatán, México
Herbario IEB, Instituto de Ecología A.C., Centro Regional del Bajío, Av. Lázaro Cárdenas 253, 61600, Pátzcuaro, Michoacán, México
Coccolobeae Eriogonoideae Mesoamerica Mexico new species Taxonomy typification Eudicots South America

Abstract

This paper presents a taxonomic revision of the species of Coccoloba sect. Paniculatae, which is delimited from the other sections of Coccoloba by the presence of paniculate inflorescences. This section is distributed in tropical dry forests, humid or very humid forests, and cloud forests, from Mexico to northern South America, Jamaica and Trinidad and Tobago, with Mesoamerica being the center of greatest diversification. After an extensive review of herbarium specimens, a morphological description of 17 species belonging to this section is presented, of which C. knappiana, C. meavei, C. rzedowskii and C. steinmannii are described for the first time to science. We also propose lectotypes for the names C. paniculata and C. polystachya, and epitypes for C. hirsuta, C. latifolia, and C. plumieri. Correction to lectotype of previous indication of holotype or isotype (Art. 9.10 of Shenzhen Code) was made for C. latifolia, C. mollis, and C. tuerckheimii. A dichotomous key to the species of the section, distribution maps, and an analysis of the conservation status of the 17 species of Coccoloba sect. Paniculatae are also presented.

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How to Cite

Ancona, J.J., Ortiz-Díaz, J.J., Gutiérrez-Alonso, E. & Ledesma, P.H. (2025) A taxonomic revision of Coccoloba sect. Paniculatae (Polygonaceae, Eriogonoideae). Phytotaxa 704 (2): 106–152. https://doi.org/10.11646/phytotaxa.704.2.2