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Issue: Vol. 635 No. 3: 26 Jan. 2024
Type: Article
Published: 2024-01-26
DOI: 10.11646/phytotaxa.635.3.4
Page range: 227-237
Abstract views: 101
PDF downloaded: 14

Taxonomic notes and a new country record for Peperomia subgenus Pseudocupula (Piperaceae) in Brazil

Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rio de Janeiro, Brazil.
Universidade Federal de Goiás (UFG), Instituto de Ciências Biológicas, Departamento de Botânica, Goiânia, Goiás, Brazil.
Universidade Estadual de Campinas (UNICAMP), Instituto de Biologia, Departamento de Botânica, Campinas, São Paulo, Brazil.
www.peperomia.net
Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rio de Janeiro, Brazil. Instituto Chico Mendes de Conservação da Biodiversidade, Prado, Bahia, Brazil.
Atlantic Forest new combination nomenclature Piperales taxonomy Magnoliids

Abstract

Peperomia is a mega-diverse herbaceous genus with high species richness in the Neotropics, growing mainly as epiphyte or rupicolous/saxicolous. Fourteen subgenera are recognized based on molecular phylogenies. In this study, contributions to P. subg. Pseudocupula in Brazil are presented. During an ongoing taxonomic revision of P. pereskiifolia and allied taxa in Brazil, some incongruent circumscriptions were found which are discussed here. Peperomia pereirae f. pereirae is proposed as a new synonym of P. rubricaulis, and a new combination and status change of P. pereirae f. hirtulicaule to P. hirtulicaulis is presented. Finally, we confirm the occurrence of Peperomia tetragona in Brazil, which has frequently been misidentified in herbarium collections and overlooked in the country. Taxonomic discussion, color photographs, distributional maps and identification key are presented for the treated taxa.

 

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