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Type: Article
Published: 2017-02-22
Page range: 77–82
Abstract views: 22
PDF downloaded: 1

A new cauliflorous species of Psidium (Myrtaceae) from the Atlantic Forest

Escola Nacional de Botânica Tropical, Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rua Pacheco Leão, 2040, 22460-030, Horto, Rio de Janeiro, Brazil.
Universidade Federal Rural do Rio de Janeiro, Departamento de Botânica, 23890-000, Seropédica, Rio de Janeiro, Brazil.
Universidade Federal do Espírito Santo, Centro de Ciências Exatas, Naturais e da Saúde, Departamento de Biologia, 29500-000 UFES, Alegre, Espírito Santo, Brazil.
Escola Nacional de Botânica Tropical, Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rua Pacheco Leão, 2040, 22460-030, Horto, Rio de Janeiro, Brazil.
Myrteae endemism taxonomy Brazil Eudicots

Abstract

This paper reports a new species of Psidium found only in the Atlantic Forest of Espírito Santo and Rio de Janeiro, Brazil. Psidium grazielae is related to P. cauliflorum, differing mainly by membranaceous to chartaceous leaves with glandular dots visible on both faces, inconspicuous secondary veins, as well as the absence of trichromes on branches, inflorescences and fruits. We provide the description and illustrations for this new species. The relationship of P. grazielae and P. cauliflorum is discussed, and comments concerning the taxonomy and ecology of the new species are provided.