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Type: Article
Published: 2022-11-15
Page range: 275-282
Abstract views: 41
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A new Octomeria (Orchidaceae: Pleurothallidinae) and nomenclatural notes for related Southern Brazilian species

Programa de Pós-Graduação em Ciências Biológicas (Biologia Vegetal), Instituto de Biociências de- Rio Claro, Departamento de Botânica, Universidade Estadual Paulista - UNESP, Av. 24 A 1515, Bela Vista, 13506-900, Caixa Postal 199, Rio Claro, São Paulo, Brazil; Universidade Federal do Paraná, Setor de Ciências Biológicas, Centro Politécnico, Jardim da Américas, Curitiba - PR, 81531-980. Caixa Postal: 19031, Brazil
Marie Selby Botanical Gardens, 811 South Palm Avenue, Sarasota, FL 34236-7726, U.S.A.; Orchid Herbarium of Oakes Ames, Harvard University Herbaria, 22 Divinity Avenue, Cambridge, Massachusetts 20138, U.S.A.
Universidade Federal do Paraná, Setor de Ciências Biológicas, Centro Politécnico, Jardim da Américas, Curitiba - PR, 81531-980. Caixa Postal: 19031, Brazil
Diversity Flora of Brazil Orchidaceae Taxonomy Monocots

Abstract

Octomeria imigiae is proposed as a new species from the Atlantic Rainforest of South Brazil. It is described, illustrated, and compared with sympatric and similar species. An identification key is provided. The new species is recognised by its reptant growth habit and tiny yellow flowers. It is similar to Octomeria chamaeleptotes and several other terete-leaved species from which it can be easily distinguished by its vegetative and floral morphology. Octomeria riograndensis and Octomeria sancti-angeli are proposed as new synonyms of Octomeria chamaeleptotes, and typification designations for this complex are made.

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