Spore morphology and ultrastructure in species of salvinia from Southern South America

Autores
Gardenal, Paula; Morbelli, Marta Alicia; Giudice, Gabriela Elena
Año de publicación
2008
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The morphology and ultrastructure of megaspores, microspores, and massulae of Salvinia Séguier 1785 species from Argentina, Bolivia, southern Brazil, Chile, Paraguay, and Uruguay have been analyzed. The analyses were performed using light microscopy, stereo microscopy, scanning electron microscopy, and transmission electron microscopy. The taxa studied were Salvinia auriculata Aublet 1775, Salvinia biloba Raddi 1825, and Salvinia minima Baker 1886. The spores of Salvinia biloba are described and illustrated here for the first time. The spores of Salvinia adnata Desvaux 1827were not described here because all the specimens analyzed had megasporangia and microsporangia which had not developed, or were aborted. The megaspores in all the species analyzed are trilete, 224–402 µm in polar diameter and 179–378 µm in equatorial diameter, with a circular outline, an irregular margin in polar view, and are ovoid in equatorial view. The surface is ridged and perforated and the sporoderm in cross section comprises a compact, two-layered exospore and a thick lacunose epispore which is projected proximally. The apertural area has unique characteristics in each species. The microspores are enclosed in spheroidal to elliptical massulae 145–240 µm in diameter. The individual microspores are trilete, rugulate, 15–36 µm in diameter, and spheroidal. In cross section, the exospore is two-layered. Both types of spores produced by the species analyzed exhibit little interspecific and intraspecific variability. Differences in general shape and proximal characteristics were found in megaspores at the species level. According to these, and previous, results Salvinia is a genus with stable palynological characteristics, all of them related to its adaptation to the aquatic environment.
Fil: Gardenal, Paula. 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. Cátedra de Palinología; Argentina
Fil: Morbelli, Marta Alicia. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Cátedra de Palinología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
Fil: Giudice, Gabriela Elena. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Cátedra de Morfología Vegetal; Argentina
Materia
SALVINIA
SOUTH AMERICA
SPORES
ULTRASTRUCTURE
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:11336/242179
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/242179
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Spore morphology and ultrastructure in species of salvinia from Southern South AmericaGardenal, PaulaMorbelli, Marta AliciaGiudice, Gabriela ElenaSALVINIASOUTH AMERICASPORESULTRASTRUCTUREhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1The morphology and ultrastructure of megaspores, microspores, and massulae of Salvinia Séguier 1785 species from Argentina, Bolivia, southern Brazil, Chile, Paraguay, and Uruguay have been analyzed. The analyses were performed using light microscopy, stereo microscopy, scanning electron microscopy, and transmission electron microscopy. The taxa studied were Salvinia auriculata Aublet 1775, Salvinia biloba Raddi 1825, and Salvinia minima Baker 1886. The spores of Salvinia biloba are described and illustrated here for the first time. The spores of Salvinia adnata Desvaux 1827were not described here because all the specimens analyzed had megasporangia and microsporangia which had not developed, or were aborted. The megaspores in all the species analyzed are trilete, 224–402 µm in polar diameter and 179–378 µm in equatorial diameter, with a circular outline, an irregular margin in polar view, and are ovoid in equatorial view. The surface is ridged and perforated and the sporoderm in cross section comprises a compact, two-layered exospore and a thick lacunose epispore which is projected proximally. The apertural area has unique characteristics in each species. The microspores are enclosed in spheroidal to elliptical massulae 145–240 µm in diameter. The individual microspores are trilete, rugulate, 15–36 µm in diameter, and spheroidal. In cross section, the exospore is two-layered. Both types of spores produced by the species analyzed exhibit little interspecific and intraspecific variability. Differences in general shape and proximal characteristics were found in megaspores at the species level. According to these, and previous, results Salvinia is a genus with stable palynological characteristics, all of them related to its adaptation to the aquatic environment.Fil: Gardenal, Paula. 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. Cátedra de Palinología; ArgentinaFil: Morbelli, Marta Alicia. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Cátedra de Palinología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; ArgentinaFil: Giudice, Gabriela Elena. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Cátedra de Morfología Vegetal; ArgentinaAmerican Association of Stratigraphic Palynologists Foundation2008-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/242179Gardenal, Paula; Morbelli, Marta Alicia; Giudice, Gabriela Elena; Spore morphology and ultrastructure in species of salvinia from Southern South America; American Association of Stratigraphic Palynologists Foundation; Palynology; 32; 1; 1-2008; 143-1560191-6122CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.2113/gspalynol.32.1.143info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-17T10:46:15Zoai:ri.conicet.gov.ar:11336/242179instacron: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:34982025-09-17 10:46:15.651CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Spore morphology and ultrastructure in species of salvinia from Southern South America
title Spore morphology and ultrastructure in species of salvinia from Southern South America
spellingShingle Spore morphology and ultrastructure in species of salvinia from Southern South America
Gardenal, Paula
SALVINIA
SOUTH AMERICA
SPORES
ULTRASTRUCTURE
title_short Spore morphology and ultrastructure in species of salvinia from Southern South America
title_full Spore morphology and ultrastructure in species of salvinia from Southern South America
title_fullStr Spore morphology and ultrastructure in species of salvinia from Southern South America
title_full_unstemmed Spore morphology and ultrastructure in species of salvinia from Southern South America
title_sort Spore morphology and ultrastructure in species of salvinia from Southern South America
dc.creator.none.fl_str_mv Gardenal, Paula
Morbelli, Marta Alicia
Giudice, Gabriela Elena
author Gardenal, Paula
author_facet Gardenal, Paula
Morbelli, Marta Alicia
Giudice, Gabriela Elena
author_role author
author2 Morbelli, Marta Alicia
Giudice, Gabriela Elena
author2_role author
author
dc.subject.none.fl_str_mv SALVINIA
SOUTH AMERICA
SPORES
ULTRASTRUCTURE
topic SALVINIA
SOUTH AMERICA
SPORES
ULTRASTRUCTURE
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The morphology and ultrastructure of megaspores, microspores, and massulae of Salvinia Séguier 1785 species from Argentina, Bolivia, southern Brazil, Chile, Paraguay, and Uruguay have been analyzed. The analyses were performed using light microscopy, stereo microscopy, scanning electron microscopy, and transmission electron microscopy. The taxa studied were Salvinia auriculata Aublet 1775, Salvinia biloba Raddi 1825, and Salvinia minima Baker 1886. The spores of Salvinia biloba are described and illustrated here for the first time. The spores of Salvinia adnata Desvaux 1827were not described here because all the specimens analyzed had megasporangia and microsporangia which had not developed, or were aborted. The megaspores in all the species analyzed are trilete, 224–402 µm in polar diameter and 179–378 µm in equatorial diameter, with a circular outline, an irregular margin in polar view, and are ovoid in equatorial view. The surface is ridged and perforated and the sporoderm in cross section comprises a compact, two-layered exospore and a thick lacunose epispore which is projected proximally. The apertural area has unique characteristics in each species. The microspores are enclosed in spheroidal to elliptical massulae 145–240 µm in diameter. The individual microspores are trilete, rugulate, 15–36 µm in diameter, and spheroidal. In cross section, the exospore is two-layered. Both types of spores produced by the species analyzed exhibit little interspecific and intraspecific variability. Differences in general shape and proximal characteristics were found in megaspores at the species level. According to these, and previous, results Salvinia is a genus with stable palynological characteristics, all of them related to its adaptation to the aquatic environment.
Fil: Gardenal, Paula. 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. Cátedra de Palinología; Argentina
Fil: Morbelli, Marta Alicia. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Cátedra de Palinología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
Fil: Giudice, Gabriela Elena. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Cátedra de Morfología Vegetal; Argentina
description The morphology and ultrastructure of megaspores, microspores, and massulae of Salvinia Séguier 1785 species from Argentina, Bolivia, southern Brazil, Chile, Paraguay, and Uruguay have been analyzed. The analyses were performed using light microscopy, stereo microscopy, scanning electron microscopy, and transmission electron microscopy. The taxa studied were Salvinia auriculata Aublet 1775, Salvinia biloba Raddi 1825, and Salvinia minima Baker 1886. The spores of Salvinia biloba are described and illustrated here for the first time. The spores of Salvinia adnata Desvaux 1827were not described here because all the specimens analyzed had megasporangia and microsporangia which had not developed, or were aborted. The megaspores in all the species analyzed are trilete, 224–402 µm in polar diameter and 179–378 µm in equatorial diameter, with a circular outline, an irregular margin in polar view, and are ovoid in equatorial view. The surface is ridged and perforated and the sporoderm in cross section comprises a compact, two-layered exospore and a thick lacunose epispore which is projected proximally. The apertural area has unique characteristics in each species. The microspores are enclosed in spheroidal to elliptical massulae 145–240 µm in diameter. The individual microspores are trilete, rugulate, 15–36 µm in diameter, and spheroidal. In cross section, the exospore is two-layered. Both types of spores produced by the species analyzed exhibit little interspecific and intraspecific variability. Differences in general shape and proximal characteristics were found in megaspores at the species level. According to these, and previous, results Salvinia is a genus with stable palynological characteristics, all of them related to its adaptation to the aquatic environment.
publishDate 2008
dc.date.none.fl_str_mv 2008-01
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/11336/242179
Gardenal, Paula; Morbelli, Marta Alicia; Giudice, Gabriela Elena; Spore morphology and ultrastructure in species of salvinia from Southern South America; American Association of Stratigraphic Palynologists Foundation; Palynology; 32; 1; 1-2008; 143-156
0191-6122
CONICET Digital
CONICET
url http://hdl.handle.net/11336/242179
identifier_str_mv Gardenal, Paula; Morbelli, Marta Alicia; Giudice, Gabriela Elena; Spore morphology and ultrastructure in species of salvinia from Southern South America; American Association of Stratigraphic Palynologists Foundation; Palynology; 32; 1; 1-2008; 143-156
0191-6122
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.2113/gspalynol.32.1.143
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
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 13.000565

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