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Issue: Vol. 609 No. 2: 22 Aug. 2023
Type: Article
Published: 2023-08-22
DOI: 10.11646/phytotaxa.609.2.3
Page range: 115-123
Abstract views: 184
PDF downloaded: 22

Eltroplectris paranaënsis: a new species of Spiranthinae (Orchidaceae) from the nebular Atlantic Rain Forest

Universidade Federal do Paraná; Departamento de Botânica; Programa de Pós-graduação em Botânica; Cx. P. 19031; Jardim das Américas; Curitiba; Paraná; Brazil; 81530-900
Universidade Federal do Paraná; Departamento de Botânica; Programa de Pós-graduação em Botânica; Cx. P. 19031; Jardim das Américas; Curitiba; Paraná; Brazil; 81530-900; Universidade Federal do Paraná; Setor de Ciências Biológicas; Departamento de Botânica; Laboratório de Sistemática e Ecologia Molecular de Plantas; Centro Politécnico; Caixa Postal 19031; Curitiba; PR; 81531–970; Brazil
Universidade Federal do Paraná; Departamento de Botânica; Programa de Pós-graduação em Botânica; Cx. P. 19031; Jardim das Américas; Curitiba; Paraná; Brazil; 81530-900; Universidade Federal do Paraná; Setor de Ciências Biológicas; Departamento de Botânica; Laboratório de Sistemática e Ecologia Molecular de Plantas; Centro Politécnico; Caixa Postal 19031; Curitiba; PR; 81531–970; Brazil
Monocots Brazil Neotropics Serra do Mar Mountains Stenorrhynchos clade Upper Montane Ombrophilous Dense Forest

Abstract

During a field expedition to the Serra do Mar in the state of Paraná, a new species of Spiranthinae was found, which occurs as a humicolous in the understory of the Upper Montane Dense Ombrophilous Forest, also called Cloud Forest. Phylogenetic analysis of the Stenorrhynchos clade, in which the genus is inserted, using nuclear internal transcriber spacer data, confirms that the new species belongs to the genus Eltroplectris with high support, and it is a sister to the species E. triloba and E. schlechteriana. Eltroplectris paranaënsis can be recognized and differentiated from congeners by its small habit, leaves with a narrow-elliptical-lanceolate blade, parviflorous inflorescence, light-green and white flowers, and the trilobed lip with an entire margin.

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