Spore morphology and ornamentation in the genus Blechnum (Blechnaceae)

Autores
Passarelli, Lilian M.; Gabriel y Galán, Jose Maria; Prada, Carmen; Rolleri, Cristina Hilda
Año de publicación
2010
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
A study of the spores of 64 neotropical and palaeotropical taxa of the genus Blechnum was performed using scanning electron microscopy (SEM). Two basic types of perispores were recognised: perispore smooth or only slightly ornamented (laevigate, with micro-granules or micro-lamellae, venulose and rugulate), and perispore ornamented (rugate, low reticulate, cristatereticulate, orbiculate, and colliculate). SEM observations allow for distinguishing differences in the structure of perispores, but the character does not correlate with the ornamentation. The smooth exospore predominates among the studied species. Results suggest that perispore characters have important diagnostic value, since different combinations of ornamentation/structure were found among the studied species. Moreover, when spore characters are considered together with other morphological traits of the sporophytes and the habit of plants, ornamentation of spores becomes a useful complementary feature at the specific level. The results are discussed in light of the recent systematic studies and emphasise that any eventual subdivision of the genus Blechnum must include characters of the sporophyte as well as spore features to ensure a more robust classification than the previously proposed. The spores also show a significant affinity between Blechnum and other genera of Blechnaceae, which was also suggested by recent phylogenetic studies.
Fil: Passarelli, Lilian M.. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Laboratorio de Estudio y Análisis Vegetal; Argentina
Fil: Gabriel y Galán, Jose Maria. Universidad Complutense de Madrid. Facultad de Biología; España
Fil: Prada, Carmen. Universidad Complutense de Madrid. Facultad de Biología; España
Fil: Rolleri, Cristina Hilda. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Laboratorio de Estudio y Análisis Vegetal; Argentina
Materia
PERISPORE ORNAMENTATION
PERISPORE STRUCTURE
MICRO-ORNAMENTATION
LAEVIGATE, RUGULATE, FOLIOSE, RUGATE,CRISTATE RETICULATE, EXOSPORE
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/279960
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Spore morphology and ornamentation in the genus Blechnum (Blechnaceae)Passarelli, Lilian M.Gabriel y Galán, Jose MariaPrada, CarmenRolleri, Cristina HildaPERISPORE ORNAMENTATIONPERISPORE STRUCTUREMICRO-ORNAMENTATIONLAEVIGATE, RUGULATE, FOLIOSE, RUGATE,CRISTATE RETICULATE, EXOSPOREhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1A study of the spores of 64 neotropical and palaeotropical taxa of the genus Blechnum was performed using scanning electron microscopy (SEM). Two basic types of perispores were recognised: perispore smooth or only slightly ornamented (laevigate, with micro-granules or micro-lamellae, venulose and rugulate), and perispore ornamented (rugate, low reticulate, cristatereticulate, orbiculate, and colliculate). SEM observations allow for distinguishing differences in the structure of perispores, but the character does not correlate with the ornamentation. The smooth exospore predominates among the studied species. Results suggest that perispore characters have important diagnostic value, since different combinations of ornamentation/structure were found among the studied species. Moreover, when spore characters are considered together with other morphological traits of the sporophytes and the habit of plants, ornamentation of spores becomes a useful complementary feature at the specific level. The results are discussed in light of the recent systematic studies and emphasise that any eventual subdivision of the genus Blechnum must include characters of the sporophyte as well as spore features to ensure a more robust classification than the previously proposed. The spores also show a significant affinity between Blechnum and other genera of Blechnaceae, which was also suggested by recent phylogenetic studies.Fil: Passarelli, Lilian M.. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Laboratorio de Estudio y Análisis Vegetal; ArgentinaFil: Gabriel y Galán, Jose Maria. Universidad Complutense de Madrid. Facultad de Biología; EspañaFil: Prada, Carmen. Universidad Complutense de Madrid. Facultad de Biología; EspañaFil: Rolleri, Cristina Hilda. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Laboratorio de Estudio y Análisis Vegetal; ArgentinaTaylor & Francis As2010-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/279960Passarelli, Lilian M.; Gabriel y Galán, Jose Maria; Prada, Carmen; Rolleri, Cristina Hilda; Spore morphology and ornamentation in the genus Blechnum (Blechnaceae); Taylor & Francis As; Grana; 49; 4; 12-2010; 243-2620017-3134CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/full/10.1080/00173134.2010.524245info:eu-repo/semantics/altIdentifier/doi/10.1080/00173134.2010.524245info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2026-02-06T12:40:37Zoai:ri.conicet.gov.ar:11336/279960instacron: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:34982026-02-06 12:40:37.791CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Spore morphology and ornamentation in the genus Blechnum (Blechnaceae)
title Spore morphology and ornamentation in the genus Blechnum (Blechnaceae)
spellingShingle Spore morphology and ornamentation in the genus Blechnum (Blechnaceae)
Passarelli, Lilian M.
PERISPORE ORNAMENTATION
PERISPORE STRUCTURE
MICRO-ORNAMENTATION
LAEVIGATE, RUGULATE, FOLIOSE, RUGATE,CRISTATE RETICULATE, EXOSPORE
title_short Spore morphology and ornamentation in the genus Blechnum (Blechnaceae)
title_full Spore morphology and ornamentation in the genus Blechnum (Blechnaceae)
title_fullStr Spore morphology and ornamentation in the genus Blechnum (Blechnaceae)
title_full_unstemmed Spore morphology and ornamentation in the genus Blechnum (Blechnaceae)
title_sort Spore morphology and ornamentation in the genus Blechnum (Blechnaceae)
dc.creator.none.fl_str_mv Passarelli, Lilian M.
Gabriel y Galán, Jose Maria
Prada, Carmen
Rolleri, Cristina Hilda
author Passarelli, Lilian M.
author_facet Passarelli, Lilian M.
Gabriel y Galán, Jose Maria
Prada, Carmen
Rolleri, Cristina Hilda
author_role author
author2 Gabriel y Galán, Jose Maria
Prada, Carmen
Rolleri, Cristina Hilda
author2_role author
author
author
dc.subject.none.fl_str_mv PERISPORE ORNAMENTATION
PERISPORE STRUCTURE
MICRO-ORNAMENTATION
LAEVIGATE, RUGULATE, FOLIOSE, RUGATE,CRISTATE RETICULATE, EXOSPORE
topic PERISPORE ORNAMENTATION
PERISPORE STRUCTURE
MICRO-ORNAMENTATION
LAEVIGATE, RUGULATE, FOLIOSE, RUGATE,CRISTATE RETICULATE, EXOSPORE
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv A study of the spores of 64 neotropical and palaeotropical taxa of the genus Blechnum was performed using scanning electron microscopy (SEM). Two basic types of perispores were recognised: perispore smooth or only slightly ornamented (laevigate, with micro-granules or micro-lamellae, venulose and rugulate), and perispore ornamented (rugate, low reticulate, cristatereticulate, orbiculate, and colliculate). SEM observations allow for distinguishing differences in the structure of perispores, but the character does not correlate with the ornamentation. The smooth exospore predominates among the studied species. Results suggest that perispore characters have important diagnostic value, since different combinations of ornamentation/structure were found among the studied species. Moreover, when spore characters are considered together with other morphological traits of the sporophytes and the habit of plants, ornamentation of spores becomes a useful complementary feature at the specific level. The results are discussed in light of the recent systematic studies and emphasise that any eventual subdivision of the genus Blechnum must include characters of the sporophyte as well as spore features to ensure a more robust classification than the previously proposed. The spores also show a significant affinity between Blechnum and other genera of Blechnaceae, which was also suggested by recent phylogenetic studies.
Fil: Passarelli, Lilian M.. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Laboratorio de Estudio y Análisis Vegetal; Argentina
Fil: Gabriel y Galán, Jose Maria. Universidad Complutense de Madrid. Facultad de Biología; España
Fil: Prada, Carmen. Universidad Complutense de Madrid. Facultad de Biología; España
Fil: Rolleri, Cristina Hilda. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Laboratorio de Estudio y Análisis Vegetal; Argentina
description A study of the spores of 64 neotropical and palaeotropical taxa of the genus Blechnum was performed using scanning electron microscopy (SEM). Two basic types of perispores were recognised: perispore smooth or only slightly ornamented (laevigate, with micro-granules or micro-lamellae, venulose and rugulate), and perispore ornamented (rugate, low reticulate, cristatereticulate, orbiculate, and colliculate). SEM observations allow for distinguishing differences in the structure of perispores, but the character does not correlate with the ornamentation. The smooth exospore predominates among the studied species. Results suggest that perispore characters have important diagnostic value, since different combinations of ornamentation/structure were found among the studied species. Moreover, when spore characters are considered together with other morphological traits of the sporophytes and the habit of plants, ornamentation of spores becomes a useful complementary feature at the specific level. The results are discussed in light of the recent systematic studies and emphasise that any eventual subdivision of the genus Blechnum must include characters of the sporophyte as well as spore features to ensure a more robust classification than the previously proposed. The spores also show a significant affinity between Blechnum and other genera of Blechnaceae, which was also suggested by recent phylogenetic studies.
publishDate 2010
dc.date.none.fl_str_mv 2010-12
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/11336/279960
Passarelli, Lilian M.; Gabriel y Galán, Jose Maria; Prada, Carmen; Rolleri, Cristina Hilda; Spore morphology and ornamentation in the genus Blechnum (Blechnaceae); Taylor & Francis As; Grana; 49; 4; 12-2010; 243-262
0017-3134
CONICET Digital
CONICET
url http://hdl.handle.net/11336/279960
identifier_str_mv Passarelli, Lilian M.; Gabriel y Galán, Jose Maria; Prada, Carmen; Rolleri, Cristina Hilda; Spore morphology and ornamentation in the genus Blechnum (Blechnaceae); Taylor & Francis As; Grana; 49; 4; 12-2010; 243-262
0017-3134
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/full/10.1080/00173134.2010.524245
info:eu-repo/semantics/altIdentifier/doi/10.1080/00173134.2010.524245
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Taylor & Francis As
publisher.none.fl_str_mv Taylor & Francis As
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 13.11174

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