Leaf architecture and symmetry of understory tree species of an Araucaria forest
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Acta Scientiarum Biological Sciences |
Texto Completo: | http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/43118 |
Resumo: | Shade plants of ombrophilous forests are subjected to light-limiting conditions and need to invest in architectural structures associated with leaf symmetry to increase light capture. This study investigated the leaf architecture of six Araucaria forest tree species with distinct symmetry: Cupania vernalis, Casearia sylvestris, Schinus terebinthifolius, Piper gaudichaudianum, Roupala brasiliensis and Cedrela fissilis. We hypothesized that symmetry, associated with other traits, minimizes self-shading. Asymmetry index, petiole length, total leaf area, leaf angle, internode length and stem diameter were measured. The asymmetry index did not indicate a clear distinction between asymmetric and symmetric leaves. Leaves classified as asymmetric had higher values for the asymmetry index in the median and basal regions of the leaf, while symmetrical leaves had higher values in the apical region. The results also indicated an adjustment among structural leaf traits that facilitated a three-dimensional organization that produced an advantageous arrangement for light capture, which seems to be a response to selective pressure by the heterogeneous light conditions of the ombrophilous forest understory. |
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Leaf architecture and symmetry of understory tree species of an Araucaria forestombrophilous forestasymmetry indexleaf morphologyshade leaveslight efficiency.BotânicaMorfologia Vegetal Shade plants of ombrophilous forests are subjected to light-limiting conditions and need to invest in architectural structures associated with leaf symmetry to increase light capture. This study investigated the leaf architecture of six Araucaria forest tree species with distinct symmetry: Cupania vernalis, Casearia sylvestris, Schinus terebinthifolius, Piper gaudichaudianum, Roupala brasiliensis and Cedrela fissilis. We hypothesized that symmetry, associated with other traits, minimizes self-shading. Asymmetry index, petiole length, total leaf area, leaf angle, internode length and stem diameter were measured. The asymmetry index did not indicate a clear distinction between asymmetric and symmetric leaves. Leaves classified as asymmetric had higher values for the asymmetry index in the median and basal regions of the leaf, while symmetrical leaves had higher values in the apical region. The results also indicated an adjustment among structural leaf traits that facilitated a three-dimensional organization that produced an advantageous arrangement for light capture, which seems to be a response to selective pressure by the heterogeneous light conditions of the ombrophilous forest understory. Universidade Estadual De Maringá2018-11-30info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionestudos morfológicosapplication/pdfapplication/vnd.openxmlformats-officedocument.wordprocessingml.documentapplication/vnd.openxmlformats-officedocument.wordprocessingml.documenthttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/4311810.4025/actascibiolsci.v40i1.43118Acta Scientiarum. Biological Sciences; Vol 40 (2018): Publicação Contínua; e43118Acta Scientiarum. Biological Sciences; v. 40 (2018): Publicação Contínua; e431181807-863X1679-9283reponame:Acta Scientiarum Biological Sciencesinstname:Universidade Estadual de Maringá (UEM)instacron:UEMenghttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/43118/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/43118/751375147295http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/43118/751375147296Copyright (c) 2018 Acta Scientiarum. Biological Scienceshttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessBoeger, Maria Regina TorresPilatti, Daiane MariaLima, Carolina Sereneski deAlvarenga, Allan Mauricio Sanches Baptista dePereto, Suelen Cristina Alves da Silva2022-02-20T21:59:42Zoai:periodicos.uem.br/ojs:article/43118Revistahttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSciPUBhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/oai||actabiol@uem.br1807-863X1679-9283opendoar:2022-02-20T21:59:42Acta Scientiarum Biological Sciences - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
Leaf architecture and symmetry of understory tree species of an Araucaria forest |
title |
Leaf architecture and symmetry of understory tree species of an Araucaria forest |
spellingShingle |
Leaf architecture and symmetry of understory tree species of an Araucaria forest Boeger, Maria Regina Torres ombrophilous forest asymmetry index leaf morphology shade leaves light efficiency. Botânica Morfologia Vegetal |
title_short |
Leaf architecture and symmetry of understory tree species of an Araucaria forest |
title_full |
Leaf architecture and symmetry of understory tree species of an Araucaria forest |
title_fullStr |
Leaf architecture and symmetry of understory tree species of an Araucaria forest |
title_full_unstemmed |
Leaf architecture and symmetry of understory tree species of an Araucaria forest |
title_sort |
Leaf architecture and symmetry of understory tree species of an Araucaria forest |
author |
Boeger, Maria Regina Torres |
author_facet |
Boeger, Maria Regina Torres Pilatti, Daiane Maria Lima, Carolina Sereneski de Alvarenga, Allan Mauricio Sanches Baptista de Pereto, Suelen Cristina Alves da Silva |
author_role |
author |
author2 |
Pilatti, Daiane Maria Lima, Carolina Sereneski de Alvarenga, Allan Mauricio Sanches Baptista de Pereto, Suelen Cristina Alves da Silva |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Boeger, Maria Regina Torres Pilatti, Daiane Maria Lima, Carolina Sereneski de Alvarenga, Allan Mauricio Sanches Baptista de Pereto, Suelen Cristina Alves da Silva |
dc.subject.por.fl_str_mv |
ombrophilous forest asymmetry index leaf morphology shade leaves light efficiency. Botânica Morfologia Vegetal |
topic |
ombrophilous forest asymmetry index leaf morphology shade leaves light efficiency. Botânica Morfologia Vegetal |
description |
Shade plants of ombrophilous forests are subjected to light-limiting conditions and need to invest in architectural structures associated with leaf symmetry to increase light capture. This study investigated the leaf architecture of six Araucaria forest tree species with distinct symmetry: Cupania vernalis, Casearia sylvestris, Schinus terebinthifolius, Piper gaudichaudianum, Roupala brasiliensis and Cedrela fissilis. We hypothesized that symmetry, associated with other traits, minimizes self-shading. Asymmetry index, petiole length, total leaf area, leaf angle, internode length and stem diameter were measured. The asymmetry index did not indicate a clear distinction between asymmetric and symmetric leaves. Leaves classified as asymmetric had higher values for the asymmetry index in the median and basal regions of the leaf, while symmetrical leaves had higher values in the apical region. The results also indicated an adjustment among structural leaf traits that facilitated a three-dimensional organization that produced an advantageous arrangement for light capture, which seems to be a response to selective pressure by the heterogeneous light conditions of the ombrophilous forest understory. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-11-30 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion estudos morfológicos |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/43118 10.4025/actascibiolsci.v40i1.43118 |
url |
http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/43118 |
identifier_str_mv |
10.4025/actascibiolsci.v40i1.43118 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/43118/pdf http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/43118/751375147295 http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/43118/751375147296 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2018 Acta Scientiarum. Biological Sciences https://creativecommons.org/licenses/by/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2018 Acta Scientiarum. Biological Sciences https://creativecommons.org/licenses/by/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf application/vnd.openxmlformats-officedocument.wordprocessingml.document application/vnd.openxmlformats-officedocument.wordprocessingml.document |
dc.publisher.none.fl_str_mv |
Universidade Estadual De Maringá |
publisher.none.fl_str_mv |
Universidade Estadual De Maringá |
dc.source.none.fl_str_mv |
Acta Scientiarum. Biological Sciences; Vol 40 (2018): Publicação Contínua; e43118 Acta Scientiarum. Biological Sciences; v. 40 (2018): Publicação Contínua; e43118 1807-863X 1679-9283 reponame:Acta Scientiarum Biological Sciences instname:Universidade Estadual de Maringá (UEM) instacron:UEM |
instname_str |
Universidade Estadual de Maringá (UEM) |
instacron_str |
UEM |
institution |
UEM |
reponame_str |
Acta Scientiarum Biological Sciences |
collection |
Acta Scientiarum Biological Sciences |
repository.name.fl_str_mv |
Acta Scientiarum Biological Sciences - Universidade Estadual de Maringá (UEM) |
repository.mail.fl_str_mv |
||actabiol@uem.br |
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1799317391036907520 |