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Issue: Vol. 711 No. 2: 24 Jul. 2025
Type: Article
Published: 2025-07-24
DOI: 10.11646/phytotaxa.711.2.4
Page range: 131-143
Abstract views: 382
PDF downloaded: 15

Reestablishing Paepalanthus babyloniensis (Paepalanthoideae, Eriocaulaceae): taxonomic, anatomical, and chemical evidence

Universidade Federal do Rio de Janeiro, Museu Nacional, Programa de Pós-Graduação em Ciências Biológicas (Botânica), Rio de Janeiro, Rio de Janeiro, Brazil
Universidade de São Paulo, Instituto de Biociências, Departamento de Botânica, São Paulo, São Paulo, Brazil
Universidade Estadual Paulista “Júlio de Mesquita Filho”, Programa de Pós-Graduação em Biologia Vegetal (Interunidades), Rio Claro, São Paulo, Brazil
Universidade Federal do Rio de Janeiro, Instituto de Pesquisas de Produtos Naturais Walter Mors, Rio de Janeiro, Rio de Janeiro, Brazil
University of California San Diego, Collaborative Mass Spectrometry Innovation Center, San Diego, California, United States; University of California San Diego, Skaggs School of Pharmacy and Pharmaceutical Sciences, San Diego, California, United States
Universidade Federal do Rio de Janeiro, Instituto de Pesquisas de Produtos Naturais Walter Mors, Rio de Janeiro, Rio de Janeiro, Brazil
Universidade Estadual Paulista “Júlio de Mesquita Filho”, Instituto de Biociências, Departamento de Biodiversidade, Rio Claro, São Paulo, Brazil
Universidade Federal do Rio de Janeiro, Instituto de Biologia, Departamento de Botânica, Rio de Janeiro, Rio de Janeiro, Brazil
Cerrado Conservation Monocots Paepalanthoideae Systematics

Abstract

The status of species for Paepalanthus babyloniensis is formally reinstated here. This species is endemic to the campos rupestres of the Chapadão da Babilônia, within the Serra da Canastra National Park, in the state of Minas Gerais. It is distinguished from the closely related species, P. flaccidus and P. trichophyllus, primarily by characters related to the internodes, the leaf insertion, shape, and pilosity, as well as the shape of the involucral and floral bracts. Besides the general morphology, we also provide a comparative analysis of the anatomy and chemical profile of P. babyloniensis, P. flaccidus, and P. trichophyllus that supports the recognition of the three entities as distinct taxa. A detailed redescription of the taxon, a geographic distribution map, photographs of vegetative and reproductive structures, and comments on the taxonomy of the species are provided.

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How to Cite

Silva, L.E.F.D., Ramos, R., Tajima, A.S., Teixeira, A.M., Gomes, P.W.P., Borges, R.M., Coan, A.I. & Trovó, M. (2025) Reestablishing Paepalanthus babyloniensis (Paepalanthoideae, Eriocaulaceae): taxonomic, anatomical, and chemical evidence. Phytotaxa 711 (2): 131–143. https://doi.org/10.11646/phytotaxa.711.2.4