Comparative palynological analysis of Lygodium venustum Sw. and L. volubile Sw. (Lygodiaceae)

Autores
Ramos Giacosa, Juan Pablo; Morbelli, Marta Alicia; Giudice, Gabriela Elena
Año de publicación
2013
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The genus Lygodium Sw. is one of the few climbing ferns in the world. The spores of L. venustum Sw. and L. volubile Sw. were studied using light, scanning, and transmission electron microscopy. This work is based on herbarium material. The spores are trilete, triangular, with straight to convex sides in polar view. The equatorial diameter is 72-104 μm, and the polar diameter is 64-84 μm. The ornamentation in L. venustum is verrucate-tuberculate while in L. volubile, it is verrucate-tuberculate in the proximal face but with a few ridges on the distal face, where a micro-ornamentation constituted by verrrucae and tubercles is observed. An equatorial ridge is also present. The exospore is two-layered; in L. venustum, it is smooth in contrast with the ornamented exospore of L. volubile. The perispore of the two species analyzed is similar. This wall is four-layered with particular elements arranged radially in the middle layer. On the spores surface of both species, few spheroids are observed. The results introduced in the current study may be useful for the systematics of the genus as well as for phylogenetic purposes.
Facultad de Ciencias Naturales y Museo
Materia
Botánica
Lygodiaceae
Lygodium
Morphology
Spores
Ultrastructure
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by-nc-sa/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/85258
Acceder
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oai_identifier_str oai:sedici.unlp.edu.ar:10915/85258
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network_name_str SEDICI (UNLP)
spelling Comparative palynological analysis of Lygodium venustum Sw. and L. volubile Sw. (Lygodiaceae)Ramos Giacosa, Juan PabloMorbelli, Marta AliciaGiudice, Gabriela ElenaBotánicaLygodiaceaeLygodiumMorphologySporesUltrastructureThe genus Lygodium Sw. is one of the few climbing ferns in the world. The spores of L. venustum Sw. and L. volubile Sw. were studied using light, scanning, and transmission electron microscopy. This work is based on herbarium material. The spores are trilete, triangular, with straight to convex sides in polar view. The equatorial diameter is 72-104 μm, and the polar diameter is 64-84 μm. The ornamentation in L. venustum is verrucate-tuberculate while in L. volubile, it is verrucate-tuberculate in the proximal face but with a few ridges on the distal face, where a micro-ornamentation constituted by verrrucae and tubercles is observed. An equatorial ridge is also present. The exospore is two-layered; in L. venustum, it is smooth in contrast with the ornamented exospore of L. volubile. The perispore of the two species analyzed is similar. This wall is four-layered with particular elements arranged radially in the middle layer. On the spores surface of both species, few spheroids are observed. The results introduced in the current study may be useful for the systematics of the genus as well as for phylogenetic purposes.Facultad de Ciencias Naturales y Museo2013info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf699-707http://sedici.unlp.edu.ar/handle/10915/85258enginfo:eu-repo/semantics/altIdentifier/issn/0001-3765info:eu-repo/semantics/altIdentifier/doi/10.1590/S0001-37652013000200015info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:16:30Zoai:sedici.unlp.edu.ar:10915/85258Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:16:31.092SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Comparative palynological analysis of Lygodium venustum Sw. and L. volubile Sw. (Lygodiaceae)
title Comparative palynological analysis of Lygodium venustum Sw. and L. volubile Sw. (Lygodiaceae)
spellingShingle Comparative palynological analysis of Lygodium venustum Sw. and L. volubile Sw. (Lygodiaceae)
Ramos Giacosa, Juan Pablo
Botánica
Lygodiaceae
Lygodium
Morphology
Spores
Ultrastructure
title_short Comparative palynological analysis of Lygodium venustum Sw. and L. volubile Sw. (Lygodiaceae)
title_full Comparative palynological analysis of Lygodium venustum Sw. and L. volubile Sw. (Lygodiaceae)
title_fullStr Comparative palynological analysis of Lygodium venustum Sw. and L. volubile Sw. (Lygodiaceae)
title_full_unstemmed Comparative palynological analysis of Lygodium venustum Sw. and L. volubile Sw. (Lygodiaceae)
title_sort Comparative palynological analysis of Lygodium venustum Sw. and L. volubile Sw. (Lygodiaceae)
dc.creator.none.fl_str_mv Ramos Giacosa, Juan Pablo
Morbelli, Marta Alicia
Giudice, Gabriela Elena
author Ramos Giacosa, Juan Pablo
author_facet Ramos Giacosa, Juan Pablo
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 Botánica
Lygodiaceae
Lygodium
Morphology
Spores
Ultrastructure
topic Botánica
Lygodiaceae
Lygodium
Morphology
Spores
Ultrastructure
dc.description.none.fl_txt_mv The genus Lygodium Sw. is one of the few climbing ferns in the world. The spores of L. venustum Sw. and L. volubile Sw. were studied using light, scanning, and transmission electron microscopy. This work is based on herbarium material. The spores are trilete, triangular, with straight to convex sides in polar view. The equatorial diameter is 72-104 μm, and the polar diameter is 64-84 μm. The ornamentation in L. venustum is verrucate-tuberculate while in L. volubile, it is verrucate-tuberculate in the proximal face but with a few ridges on the distal face, where a micro-ornamentation constituted by verrrucae and tubercles is observed. An equatorial ridge is also present. The exospore is two-layered; in L. venustum, it is smooth in contrast with the ornamented exospore of L. volubile. The perispore of the two species analyzed is similar. This wall is four-layered with particular elements arranged radially in the middle layer. On the spores surface of both species, few spheroids are observed. The results introduced in the current study may be useful for the systematics of the genus as well as for phylogenetic purposes.
Facultad de Ciencias Naturales y Museo
description The genus Lygodium Sw. is one of the few climbing ferns in the world. The spores of L. venustum Sw. and L. volubile Sw. were studied using light, scanning, and transmission electron microscopy. This work is based on herbarium material. The spores are trilete, triangular, with straight to convex sides in polar view. The equatorial diameter is 72-104 μm, and the polar diameter is 64-84 μm. The ornamentation in L. venustum is verrucate-tuberculate while in L. volubile, it is verrucate-tuberculate in the proximal face but with a few ridges on the distal face, where a micro-ornamentation constituted by verrrucae and tubercles is observed. An equatorial ridge is also present. The exospore is two-layered; in L. venustum, it is smooth in contrast with the ornamented exospore of L. volubile. The perispore of the two species analyzed is similar. This wall is four-layered with particular elements arranged radially in the middle layer. On the spores surface of both species, few spheroids are observed. The results introduced in the current study may be useful for the systematics of the genus as well as for phylogenetic purposes.
publishDate 2013
dc.date.none.fl_str_mv 2013
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
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://sedici.unlp.edu.ar/handle/10915/85258
url http://sedici.unlp.edu.ar/handle/10915/85258
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/issn/0001-3765
info:eu-repo/semantics/altIdentifier/doi/10.1590/S0001-37652013000200015
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.format.none.fl_str_mv application/pdf
699-707
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
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score 13.070432

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