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Article
Published: 2022-08-04

A new species of Abuta (Menispermaceae) from the Brazilian Atlantic Forest

Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rua Pacheco Leão, 915, 22460-030, Rio de Janeiro, RJ, Brazil
Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rua Pacheco Leão, 915, 22460-030, Rio de Janeiro, RJ, Brazil
Instituto de Biologia, Departamento de Biologia Geral, Setor de Botânica, Universidade Federal Fluminense, Bloco M - Rua Professor Marcos Waldemar de Freitas Reis, s/n, São Domingos, 24020-150, Niterói, RJ, Brazil
Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rua Pacheco Leão, 915, 22460-030, Rio de Janeiro, RJ, Brazil
Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rua Pacheco Leão, 915, 22460-030, Rio de Janeiro, RJ, Brazil
Anomospermeae neotropics Ranunculales taxonomy Eudicots

Abstract

Abuta alto-macahensis is described and illustrated as a new species restricted to mountains of the State of Rio de Janeiro, southeastern Brazil. It is morphologically similar to Abuta rufescens, but it can be distinguished by the leaf blades adpressed tomentose abaxially, and drupelets ≥ 5 cm long, glabrous. Furthermore, taxonomic notes, preliminary conservation status, an identification key, and a distribution map of this new species are presented.

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