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Issue: Vol. 625 No. 2: 9 Nov. 2023
Type: Article
Published: 2023-11-09
DOI: 10.11646/phytotaxa.625.2.3
Page range: 161-179
Abstract views: 147
PDF downloaded: 18

Novelties and nomenclatural notes in Pabstiella (Orchidaceae) from the Brazilian Atlantic Rainforest of Bahia and Espírito Santo

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; Grupo de Investigación Schultes; Fundación Ecotonos; Cali; Colombia
Research Associate: Marie Selby Botanical Gardens; 1534 Mound Street; Sarasota; FL 34236-7726; U.S.A.; Orchid Herbarium of Oakes Ames; Harvard University Herbaria; 22 Divinity Avenue; Cambridge; Massachusetts 20138; U.S.A.
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; Departamento de Botânica; Laboratório de Sistemática e Ecologia Molecular de Plantas; Centro Politécnico; Caixa Postal 19031; Curitiba; PR; 81531–970; Brazil
Monocots Taxonomy Nomenclature Endemism Atlantic Rainforest

Abstract

Three new species of Pabstiella from Espírito Santo and Bahia in Brazil are described and illustrated, with digital plates, comparative figures, and annotations on their ecology provided. The species are compared with similar taxa, and their phylogenetic placement is hypothesized based on their morphology. In addition, five species are proposed as synonyms, P. teschiana and P. henrique-aragonii as synonyms of P. crenata, P. wanderbildtiana as synonym of P. aurantiaca, P. osculator as synonym of P. rhombilabia and P. menegattii as synonym of P. decurva. A respective taxonomic discussion is provided for each case, and a lectotype is selected for P. aurantiaca.

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