Pollen morphology and implications for the taxonomy of the genus Chrysolaena (Vernonieae, Asteraceae)

Autores
Via Do Pico, Gisela Mariel; Dematteis, Massimiliano
Año de publicación
2013
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
This study aims at finding new morphological characters to evaluate the taxonomic position of species in the genus Chrysolaena (Vernonieae, Asteraceae) as suggested by the current classification of tribe Vernonieae. We characterized the morphology of pollen grains in all 18 species of Chrysolaena. Results show that all studied species possess pollen grains of type ?C?, which is therefore characteristic of the genus. This pollen type is 3-colporate, echinolophate, oblate-spheroidal, with a total of 29 lacunae, including the polar lacuna, but lacking the equatorial lacuna. Chrysolaena is considered stenopalynous due to the fact that the pollen type in most of the species is similar. Nevertheless, variation in the size of pollen grains allowed us to identify three groups of taxa: small, medium-sized and large, respectively. Pollen morphology is a useful taxonomic marker, in addition to other morphological and molecular characters defining the genus.
Fil: Via Do Pico, Gisela Mariel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Nordeste. Instituto de Botánica del Nordeste (i); Argentina
Fil: Dematteis, Massimiliano. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Nordeste. Instituto de Botánica del Nordeste (i); Argentina
Materia
ASTERACEAE
CHRYSOLAENA
POLLEN MORPHOLOGY
TAXONOMY
VERNONIEAE
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/2285
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/2285
network_acronym_str CONICETDig
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network_name_str CONICET Digital (CONICET)
spelling Pollen morphology and implications for the taxonomy of the genus Chrysolaena (Vernonieae, Asteraceae)Via Do Pico, Gisela MarielDematteis, MassimilianoASTERACEAECHRYSOLAENAPOLLEN MORPHOLOGYTAXONOMYVERNONIEAEhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1This study aims at finding new morphological characters to evaluate the taxonomic position of species in the genus Chrysolaena (Vernonieae, Asteraceae) as suggested by the current classification of tribe Vernonieae. We characterized the morphology of pollen grains in all 18 species of Chrysolaena. Results show that all studied species possess pollen grains of type ?C?, which is therefore characteristic of the genus. This pollen type is 3-colporate, echinolophate, oblate-spheroidal, with a total of 29 lacunae, including the polar lacuna, but lacking the equatorial lacuna. Chrysolaena is considered stenopalynous due to the fact that the pollen type in most of the species is similar. Nevertheless, variation in the size of pollen grains allowed us to identify three groups of taxa: small, medium-sized and large, respectively. Pollen morphology is a useful taxonomic marker, in addition to other morphological and molecular characters defining the genus.Fil: Via Do Pico, Gisela Mariel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Nordeste. Instituto de Botánica del Nordeste (i); ArgentinaFil: Dematteis, Massimiliano. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Nordeste. Instituto de Botánica del Nordeste (i); ArgentinaAmerican Association of Stratigraphic Palynologists Foundation2013-02-26info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/2285Via Do Pico, Gisela Mariel; Dematteis, Massimiliano; Pollen morphology and implications for the taxonomy of the genus Chrysolaena (Vernonieae, Asteraceae); American Association of Stratigraphic Palynologists Foundation; Palynology; 37; 2; 26-2-2013; 177-1880191-61221558-9188enginfo:eu-repo/semantics/altIdentifier/url/http://www.tandfonline.com/doi/abs/10.1080/01916122.2012.749309info:eu-repo/semantics/altIdentifier/doi/10.1080/01916122.2012.749309info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T14:20:19Zoai:ri.conicet.gov.ar:11336/2285instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-15 14:20:20.018CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Pollen morphology and implications for the taxonomy of the genus Chrysolaena (Vernonieae, Asteraceae)
title Pollen morphology and implications for the taxonomy of the genus Chrysolaena (Vernonieae, Asteraceae)
spellingShingle Pollen morphology and implications for the taxonomy of the genus Chrysolaena (Vernonieae, Asteraceae)
Via Do Pico, Gisela Mariel
ASTERACEAE
CHRYSOLAENA
POLLEN MORPHOLOGY
TAXONOMY
VERNONIEAE
title_short Pollen morphology and implications for the taxonomy of the genus Chrysolaena (Vernonieae, Asteraceae)
title_full Pollen morphology and implications for the taxonomy of the genus Chrysolaena (Vernonieae, Asteraceae)
title_fullStr Pollen morphology and implications for the taxonomy of the genus Chrysolaena (Vernonieae, Asteraceae)
title_full_unstemmed Pollen morphology and implications for the taxonomy of the genus Chrysolaena (Vernonieae, Asteraceae)
title_sort Pollen morphology and implications for the taxonomy of the genus Chrysolaena (Vernonieae, Asteraceae)
dc.creator.none.fl_str_mv Via Do Pico, Gisela Mariel
Dematteis, Massimiliano
author Via Do Pico, Gisela Mariel
author_facet Via Do Pico, Gisela Mariel
Dematteis, Massimiliano
author_role author
author2 Dematteis, Massimiliano
author2_role author
dc.subject.none.fl_str_mv ASTERACEAE
CHRYSOLAENA
POLLEN MORPHOLOGY
TAXONOMY
VERNONIEAE
topic ASTERACEAE
CHRYSOLAENA
POLLEN MORPHOLOGY
TAXONOMY
VERNONIEAE
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv This study aims at finding new morphological characters to evaluate the taxonomic position of species in the genus Chrysolaena (Vernonieae, Asteraceae) as suggested by the current classification of tribe Vernonieae. We characterized the morphology of pollen grains in all 18 species of Chrysolaena. Results show that all studied species possess pollen grains of type ?C?, which is therefore characteristic of the genus. This pollen type is 3-colporate, echinolophate, oblate-spheroidal, with a total of 29 lacunae, including the polar lacuna, but lacking the equatorial lacuna. Chrysolaena is considered stenopalynous due to the fact that the pollen type in most of the species is similar. Nevertheless, variation in the size of pollen grains allowed us to identify three groups of taxa: small, medium-sized and large, respectively. Pollen morphology is a useful taxonomic marker, in addition to other morphological and molecular characters defining the genus.
Fil: Via Do Pico, Gisela Mariel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Nordeste. Instituto de Botánica del Nordeste (i); Argentina
Fil: Dematteis, Massimiliano. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Nordeste. Instituto de Botánica del Nordeste (i); Argentina
description This study aims at finding new morphological characters to evaluate the taxonomic position of species in the genus Chrysolaena (Vernonieae, Asteraceae) as suggested by the current classification of tribe Vernonieae. We characterized the morphology of pollen grains in all 18 species of Chrysolaena. Results show that all studied species possess pollen grains of type ?C?, which is therefore characteristic of the genus. This pollen type is 3-colporate, echinolophate, oblate-spheroidal, with a total of 29 lacunae, including the polar lacuna, but lacking the equatorial lacuna. Chrysolaena is considered stenopalynous due to the fact that the pollen type in most of the species is similar. Nevertheless, variation in the size of pollen grains allowed us to identify three groups of taxa: small, medium-sized and large, respectively. Pollen morphology is a useful taxonomic marker, in addition to other morphological and molecular characters defining the genus.
publishDate 2013
dc.date.none.fl_str_mv 2013-02-26
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/2285
Via Do Pico, Gisela Mariel; Dematteis, Massimiliano; Pollen morphology and implications for the taxonomy of the genus Chrysolaena (Vernonieae, Asteraceae); American Association of Stratigraphic Palynologists Foundation; Palynology; 37; 2; 26-2-2013; 177-188
0191-6122
1558-9188
url http://hdl.handle.net/11336/2285
identifier_str_mv Via Do Pico, Gisela Mariel; Dematteis, Massimiliano; Pollen morphology and implications for the taxonomy of the genus Chrysolaena (Vernonieae, Asteraceae); American Association of Stratigraphic Palynologists Foundation; Palynology; 37; 2; 26-2-2013; 177-188
0191-6122
1558-9188
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.tandfonline.com/doi/abs/10.1080/01916122.2012.749309
info:eu-repo/semantics/altIdentifier/doi/10.1080/01916122.2012.749309
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv American Association of Stratigraphic Palynologists Foundation
publisher.none.fl_str_mv American Association of Stratigraphic Palynologists Foundation
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.22299

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