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Issue: Vol. 646 No. 2: 2 May 2024
Type: Article
Published: 2024-05-02
DOI: 10.11646/phytotaxa.646.2.7
Page range: 181-192
Abstract views: 30
PDF downloaded: 3

Comolia paraensis (Melastomataceae), a striking new species of Marcetieae endemic to Pará, Brazil

Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Diretoria de Pesquisa Científica, Rua Pacheco Leão, 915, Jardim Botânico, 22460-030, Rio de Janeiro, RJ, Brazil
Universidade do Estado de Minas Gerais, Departamento de Ciências Biológicas, Avenida São Paulo, 3996, Vila Rosário, 32400-000, Ibirité, MG, Brazil
Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Diretoria de Pesquisa Científica, Rua Pacheco Leão, 915, Jardim Botânico, 22460-030, Rio de Janeiro, RJ, Brazil
Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Diretoria de Pesquisa Científica, Rua Pacheco Leão, 915, Jardim Botânico, 22460-030, Rio de Janeiro, RJ, Brazil
Ariramba Cachoeira Porteira caudex Serra do Itauajuri succulent plant Trombetas River Eudicots

Abstract

During the preparation of the taxonomic review of Comolia, some taxonomic novelties were found. Here we describe Comolia paraensis, a new species endemic to the Brazilian state of Pará, preliminary categorized as Endangered. This species occurs in the campinas around Oriximiná and in the stony Amazonian savannas of Monte Alegre and Óbidos. Comolia paraensis is morphologically similar to C. kuhlmannii and C. veronicifolia, two taxonomic entities that here were considered distinct from C. villosa. Comolia paraensis is illustrated, compared with similar species, and notes on its geographic distribution and preliminary conservation status are provided. We also discuss the succulence found in the branches of the population from Monte Alegre, something unprecedented within Marcetieae, but commonly reported in Pyramieae and Sonerileae.

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