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      Three new species of Columnea (Gesneriaceae) from the western Andean slopes of Ecuador and Colombia

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          Abstract

          Three new species of Columnea ( Gesneriaceae , tribe Gesnerieae ) are described from the western Andean slopes of northern Ecuador and southern Colombia. Columnea angulata J.L. Clark & F. Tobar and Columnea floribunda F. Tobar & J.L. Clark are described from northern Ecuador. Columnea tecta J.L. Clark & Clavijo is described from southern Colombia and northern Ecuador. The three new species are facultative epiphytes with dorsiventral shoots and are readily recognized by bright red tips on the abaxial and adaxial leaf surfaces. The species described here are vegetatively similar to the sympatric species Columnea picta H. Karst. and are readily differentiated by floral features that are illustrated, described and featured with digital images.

          Translated abstract

          Abstract

          Se describen tres especies nuevas de Columnea ( Gesneriaceae , tribu Gesnerieae ) originarias de la vertiente occidental de los Andes de Ecuador y Colombia. Columnea angulata J.L. Clark & F. Tobar y Columnea floribunda F. Tobar & J.L. Clark se describen del norte de Ecuador; Columnea tecta J.L. Clark & Clavijo se describe del sur de Colombia y norte de Ecuador. Las tres especies nuevas son epífitas facultativas con vástagos dorsiventrales, las cuales se reconocen fácilmente por las puntas de las hojas de color rojo brillante en ambas superficies; son vegetativamente similares y simpátricas con Columnea picta H. Karst., pero se pueden diferenciar por las características florales que se ilustran, describen y detallan con imágenes digitales en este artículo.

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          Most cited references 12

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          A New Formal Classification of Gesneriaceae.

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            Gesneriaceae

             A. Weber (2004)
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              Phylogeny of a Neotropical Clade in the Gesneriaceae: More Tales of Convergent Evolution

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                Author and article information

                Contributors
                Journal
                PhytoKeys
                PhytoKeys
                3
                urn:lsid:arphahub.com:pub:F7FCE910-8E78-573F-9C77-7788555F8AAD
                PhytoKeys
                Pensoft Publishers
                1314-2011
                1314-2003
                2021
                20 September 2021
                : 182
                : 67-82
                Affiliations
                [1 ] Science Department, The Lawrenceville School, Lawrenceville, NJ 08648, USA The Lawrenceville School Lawrenceville United States of America
                [2 ] Área de Investigación y Monitoreo de Avifauna, Aves y Conservación – BirdLife en Ecuador, Quito, Ecuador Área de Investigación y Monitoreo de Avifauna, Aves y Conservación – BirdLife en Ecuador Quito Ecuador
                [3 ] Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá, Colombia Instituto Nacional de Biodiversidad, Herbario Nacional del Ecuador Quito Ecuador
                [4 ] Instituto Nacional de Biodiversidad, Herbario Nacional del Ecuador QCNE, Quito, Ecuador Universidad Nacional de Colombia Bogotá Colombia
                [5 ] Conservatoire et Jardin botaniques de la Ville de Genève, Ch. de l’Impératrice 1, CH-1292 Chambésy, Switzerland Conservatoire et Jardin botaniques de la Ville de Genève Chambésy Switzerland
                [6 ] Biodiversity and Conservation Biology Unit, Swiss Federal Research Institute WSL, Birmensdorf, Switzerland Swiss Federal Research Institute Birmensdorf Switzerland
                Author notes
                Corresponding author: John L. Clark ( jclark@ 123456lawrenceville.org )

                Academic editor: Ricardo Kriebel

                Article
                69016
                10.3897/phytokeys.182.69016
                8476484
                John L. Clark, Francisco Tobar, Laura Clavijo, Mathieu Perret, Catherine Helen Graham

                This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                Categories
                Research Article
                Gesneriaceae
                Taxonomy
                South America

                Plant science & Botany

                colombia, columnea , ecuador, gesneriaceae , taxonomy

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