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Issue: Vol. 658 No. 1: 2 Jul. 2024
Type: Article
Published: 2024-07-02
DOI: 10.11646/phytotaxa.658.1.5
Page range: 109-119
Abstract views: 76
PDF downloaded: 3

Brachystele guayanensis is a Cyclopogon (Orchidaceae): notes on its biology and taxonomy

Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rua Pacheco Leão 915, Jardim Botânico, 22460-030, Rio de Janeiro, Rio de Janeiro, Brazil. Museu Nacional, Departamento de Botânica, Quinta da Boa Vista s.n., São Cristóvão, 20940-040, Rio de Janeiro, Rio de Janeiro, Brazil. Universidade de Brasília, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Botânica, Departamento de Botânica, 70910-900, Brasília, Distrito Federal, Brazil.
Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rua Pacheco Leão 915, Jardim Botânico, 22460-030, Rio de Janeiro, Rio de Janeiro, Brazil.
Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Botânica, 31270-910, Belo Horizonte, Minas Gerais, Brazil.
Universidade de Brasília, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Botânica, Departamento de Botânica, 70910-900, Brasília, Distrito Federal, Brazil.
Universidade de Brasília, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Botânica, Departamento de Botânica, 70910-900, Brasília, Distrito Federal, Brazil.
Cranichideae Neotropical flora orchid taxonomy Monocots

Abstract

Brachystele guayanensis is hereby transferred to the genus Cyclopogon based on molecular systematics and morphological evidence. The major change in the circumscription of Cyclopogon with the inclusion of this species is an increase in the number of flowers per inflorescence, a reduction in flower size, and the fact that sepals may become petaloid.

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