A clarification of the distinctions between Pleurothallis Talpinaria and Pleurothallis Trimeroglossa (Orchidaceae: Pleurothallidinae) and an allied new species from Ecuador

Abstract Pleurothallis trimeroglossa has long been considered a synonym of P. talpinaria. In this study we reviewed types, descriptions, drawings, paintings and living material for both names and concluded that P. talpinaria and P. trimeroglossa should be recognized as distinct species. An anatomical structure important in the distinction between the two is the large dome-shaped callus at the base of the lip in P. trimeroglossa. The approximate distributions and elevational ranges of the two species are discussed. During the study we recognized a novel species, described here as Pleurothallis jostii. Labellar morphology of all three species was examined. We speculate on the pollination mechanism of this group of species based on the observations of labellar micro-morphology.

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Main Authors: Wilson,Mark, Baqueror.,Luis E., Driessen,Wiel, Dupree,Katharine, Gil,Karen, Portilla,José, Salas Guerrero,Marcos
Format: Digital revista
Language:English
Published: Lankester Botanical Garden, University of Costa Rica 2017
Online Access:http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S1409-38712017000200133
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spelling oai:scielo:S1409-387120170002001332022-11-02A clarification of the distinctions between Pleurothallis Talpinaria and Pleurothallis Trimeroglossa (Orchidaceae: Pleurothallidinae) and an allied new species from EcuadorWilson,MarkBaqueror.,Luis E.Driessen,WielDupree,KatharineGil,KarenPortilla,JoséSalas Guerrero,Marcos labellar morphology Pleurothallidinae Pleurothallis pollination SEM Talpinaria Abstract Pleurothallis trimeroglossa has long been considered a synonym of P. talpinaria. In this study we reviewed types, descriptions, drawings, paintings and living material for both names and concluded that P. talpinaria and P. trimeroglossa should be recognized as distinct species. An anatomical structure important in the distinction between the two is the large dome-shaped callus at the base of the lip in P. trimeroglossa. The approximate distributions and elevational ranges of the two species are discussed. During the study we recognized a novel species, described here as Pleurothallis jostii. Labellar morphology of all three species was examined. We speculate on the pollination mechanism of this group of species based on the observations of labellar micro-morphology.info:eu-repo/semantics/openAccessLankester Botanical Garden, University of Costa RicaLankesteriana v.17 n.2 20172017-08-01info:eu-repo/semantics/articletext/htmlhttp://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S1409-38712017000200133en10.15517/lank.v17i2.29803
institution SCIELO
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country Costa Rica
countrycode CR
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libraryname SciELO
language English
format Digital
author Wilson,Mark
Baqueror.,Luis E.
Driessen,Wiel
Dupree,Katharine
Gil,Karen
Portilla,José
Salas Guerrero,Marcos
spellingShingle Wilson,Mark
Baqueror.,Luis E.
Driessen,Wiel
Dupree,Katharine
Gil,Karen
Portilla,José
Salas Guerrero,Marcos
A clarification of the distinctions between Pleurothallis Talpinaria and Pleurothallis Trimeroglossa (Orchidaceae: Pleurothallidinae) and an allied new species from Ecuador
author_facet Wilson,Mark
Baqueror.,Luis E.
Driessen,Wiel
Dupree,Katharine
Gil,Karen
Portilla,José
Salas Guerrero,Marcos
author_sort Wilson,Mark
title A clarification of the distinctions between Pleurothallis Talpinaria and Pleurothallis Trimeroglossa (Orchidaceae: Pleurothallidinae) and an allied new species from Ecuador
title_short A clarification of the distinctions between Pleurothallis Talpinaria and Pleurothallis Trimeroglossa (Orchidaceae: Pleurothallidinae) and an allied new species from Ecuador
title_full A clarification of the distinctions between Pleurothallis Talpinaria and Pleurothallis Trimeroglossa (Orchidaceae: Pleurothallidinae) and an allied new species from Ecuador
title_fullStr A clarification of the distinctions between Pleurothallis Talpinaria and Pleurothallis Trimeroglossa (Orchidaceae: Pleurothallidinae) and an allied new species from Ecuador
title_full_unstemmed A clarification of the distinctions between Pleurothallis Talpinaria and Pleurothallis Trimeroglossa (Orchidaceae: Pleurothallidinae) and an allied new species from Ecuador
title_sort clarification of the distinctions between pleurothallis talpinaria and pleurothallis trimeroglossa (orchidaceae: pleurothallidinae) and an allied new species from ecuador
description Abstract Pleurothallis trimeroglossa has long been considered a synonym of P. talpinaria. In this study we reviewed types, descriptions, drawings, paintings and living material for both names and concluded that P. talpinaria and P. trimeroglossa should be recognized as distinct species. An anatomical structure important in the distinction between the two is the large dome-shaped callus at the base of the lip in P. trimeroglossa. The approximate distributions and elevational ranges of the two species are discussed. During the study we recognized a novel species, described here as Pleurothallis jostii. Labellar morphology of all three species was examined. We speculate on the pollination mechanism of this group of species based on the observations of labellar micro-morphology.
publisher Lankester Botanical Garden, University of Costa Rica
publishDate 2017
url http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S1409-38712017000200133
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