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Issue: Vol. 754 No. 2: 5 May 2026
Type: Article
Published: 2026-05-05
DOI: 10.11646/phytotaxa.754.2.3
Page range: 158-174
Abstract views: 0
PDF downloaded: 0

Taxonomic novelties and nomenclatural updates in Justicia (Acanthaceae) from the Brazilian Cerrado

Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo. Edifício Aylthon Brandão Joly (Herbário SPF), CEP 05508-090, São Paulo, SP, Brazil; 3Instituto de Pesquisas Ambientais, Herbário SP, CEP 04301-012, São Paulo, SP, Brazil
Instituto Nacional de Pesquisas da Amazônia, Núcleo de Apoio à Pesquisa em Rondônia, CEP 76801-058, Porto Velho, RO, Brazil
Instituto de Pesquisas Ambientais, Herbário SP, CEP 04301-012, São Paulo, SP, Brazil; Programa de Pós-Graduação em Ecologia e Recursos Naturais (PPG-ERN), Universidade Federal de São Carlos, CEP 13565-905, São Carlos, SP, Brazil
Instituto de Pesquisas Ambientais, Herbário SP, CEP 04301-012, São Paulo, SP, Brazil
Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo. Edifício Aylthon Brandão Joly (Herbário SPF), CEP 05508-090, São Paulo, SP, Brazil
Conservation Lamiales Justicieae Justicioids Brazilian Flora Eudicots

Abstract

Justicia s.l. is the most species-rich genus in Acanthaceae, comprising more than 700 species worldwide. During taxonomic studies of the genus in the state of Goiás, central Brazil, three new species—Justicia dissimulata, J. kalunga, and J. oreadica—are described. Regarding their distribution, J. dissimulata potentially extends to Mato Grosso, J. kalunga is endemic to Goiás, and J. oreadica also occurs in the Federal District. Detailed illustrations, photographic plates, distribution maps, and comments on morphological delimitation and conservation status are provided. In addition, two new nomenclatural combinations, lectotypifications, and the recognition of new synonymies are proposed. Data on geographic distribution, habitat, phenology, and diagnostic morphological characters are also presented.

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How to Cite

Sartin, R.D., Silva, F.A.D., Fernandes, U.G., Kameyama, C. & Pirani, J.R. (2026) Taxonomic novelties and nomenclatural updates in Justicia (Acanthaceae) from the Brazilian Cerrado. Phytotaxa 754 (2): 158–174. https://doi.org/10.11646/phytotaxa.754.2.3