From canopy to single flowers: a downscale approach to flowering of the invasive species Acacia longifolia
Autor(a) principal: | |
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Data de Publicação: | 2022 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10451/55442 |
Resumo: | Context: Acacia longifolia is a native legume of south-eastern Australia and Tasmania and is invasive in many parts of the world. A key feature to its success is the production of a high quantity of flowers every season, resulting in a massive seedbank that remains dormant in the soil for decades. Many studies have been performed on this species’ reproductive biology, but none has focused on flowering in detail. Aims: Our main objective was to understand this species’ resource allocation strategy that ensures its successful reproduction in the invasive range. Methods: We developed an integrative approach, assessing flowering at different levels, namely, canopy and branch flowering (macro scale), downscaling to individual flower functional stages and their duration, pollen longevity and stigma receptivity (micro scale). We performed this study in three different locations in sand dunes along the Portuguese coast with different environmental conditions. Key results: Canopy flowering shows no difference among sites. Pollen and stigma assessment showed that this species is protogynous, with the stigma being highly receptive long before pollen is released. Once released, pollen lasts roughly 72 h. Individual flowers are relatively short-lived, with a rapid progression from closed flower buds to fully open flowers. Implications: Our results indicated that A. longifolia has a resource trade-off strategy of investing in flowers and pollen that are relatively short-lived, which are counterbalanced by their massive quantities. |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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7160 |
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From canopy to single flowers: a downscale approach to flowering of the invasive species Acacia longifoliaAcacia longifoliaenvironmental conditionsflower longevityflowering trade-offsinvasive speciespollen longevityreproductive biologystigma receptivityContext: Acacia longifolia is a native legume of south-eastern Australia and Tasmania and is invasive in many parts of the world. A key feature to its success is the production of a high quantity of flowers every season, resulting in a massive seedbank that remains dormant in the soil for decades. Many studies have been performed on this species’ reproductive biology, but none has focused on flowering in detail. Aims: Our main objective was to understand this species’ resource allocation strategy that ensures its successful reproduction in the invasive range. Methods: We developed an integrative approach, assessing flowering at different levels, namely, canopy and branch flowering (macro scale), downscaling to individual flower functional stages and their duration, pollen longevity and stigma receptivity (micro scale). We performed this study in three different locations in sand dunes along the Portuguese coast with different environmental conditions. Key results: Canopy flowering shows no difference among sites. Pollen and stigma assessment showed that this species is protogynous, with the stigma being highly receptive long before pollen is released. Once released, pollen lasts roughly 72 h. Individual flowers are relatively short-lived, with a rapid progression from closed flower buds to fully open flowers. Implications: Our results indicated that A. longifolia has a resource trade-off strategy of investing in flowers and pollen that are relatively short-lived, which are counterbalanced by their massive quantities.CSIRO PUBLISHINGRepositório da Universidade de LisboaVicente, SaraGiovanetti, ManuelaTrindade, HelenaMáguas, C.2022-12-19T13:50:26Z2022-12-012022-12-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10451/55442engVicente Sara, Giovanetti Manuela, Trindade Helena, Máguas Cristina (2022) From canopy to single flowers: a downscale approach to flowering of the invasive species Acacia longifolia. Australian Journal of Botany , -. https://doi.org/10.1071/BT2101910.1071/BT21019info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-11-08T17:02:19Zoai:repositorio.ul.pt:10451/55442Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T22:06:02.456819Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
From canopy to single flowers: a downscale approach to flowering of the invasive species Acacia longifolia |
title |
From canopy to single flowers: a downscale approach to flowering of the invasive species Acacia longifolia |
spellingShingle |
From canopy to single flowers: a downscale approach to flowering of the invasive species Acacia longifolia Vicente, Sara Acacia longifolia environmental conditions flower longevity flowering trade-offs invasive species pollen longevity reproductive biology stigma receptivity |
title_short |
From canopy to single flowers: a downscale approach to flowering of the invasive species Acacia longifolia |
title_full |
From canopy to single flowers: a downscale approach to flowering of the invasive species Acacia longifolia |
title_fullStr |
From canopy to single flowers: a downscale approach to flowering of the invasive species Acacia longifolia |
title_full_unstemmed |
From canopy to single flowers: a downscale approach to flowering of the invasive species Acacia longifolia |
title_sort |
From canopy to single flowers: a downscale approach to flowering of the invasive species Acacia longifolia |
author |
Vicente, Sara |
author_facet |
Vicente, Sara Giovanetti, Manuela Trindade, Helena Máguas, C. |
author_role |
author |
author2 |
Giovanetti, Manuela Trindade, Helena Máguas, C. |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Repositório da Universidade de Lisboa |
dc.contributor.author.fl_str_mv |
Vicente, Sara Giovanetti, Manuela Trindade, Helena Máguas, C. |
dc.subject.por.fl_str_mv |
Acacia longifolia environmental conditions flower longevity flowering trade-offs invasive species pollen longevity reproductive biology stigma receptivity |
topic |
Acacia longifolia environmental conditions flower longevity flowering trade-offs invasive species pollen longevity reproductive biology stigma receptivity |
description |
Context: Acacia longifolia is a native legume of south-eastern Australia and Tasmania and is invasive in many parts of the world. A key feature to its success is the production of a high quantity of flowers every season, resulting in a massive seedbank that remains dormant in the soil for decades. Many studies have been performed on this species’ reproductive biology, but none has focused on flowering in detail. Aims: Our main objective was to understand this species’ resource allocation strategy that ensures its successful reproduction in the invasive range. Methods: We developed an integrative approach, assessing flowering at different levels, namely, canopy and branch flowering (macro scale), downscaling to individual flower functional stages and their duration, pollen longevity and stigma receptivity (micro scale). We performed this study in three different locations in sand dunes along the Portuguese coast with different environmental conditions. Key results: Canopy flowering shows no difference among sites. Pollen and stigma assessment showed that this species is protogynous, with the stigma being highly receptive long before pollen is released. Once released, pollen lasts roughly 72 h. Individual flowers are relatively short-lived, with a rapid progression from closed flower buds to fully open flowers. Implications: Our results indicated that A. longifolia has a resource trade-off strategy of investing in flowers and pollen that are relatively short-lived, which are counterbalanced by their massive quantities. |
publishDate |
2022 |
dc.date.none.fl_str_mv |
2022-12-19T13:50:26Z 2022-12-01 2022-12-01T00:00:00Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10451/55442 |
url |
http://hdl.handle.net/10451/55442 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Vicente Sara, Giovanetti Manuela, Trindade Helena, Máguas Cristina (2022) From canopy to single flowers: a downscale approach to flowering of the invasive species Acacia longifolia. Australian Journal of Botany , -. https://doi.org/10.1071/BT21019 10.1071/BT21019 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
CSIRO PUBLISHING |
publisher.none.fl_str_mv |
CSIRO PUBLISHING |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
instname_str |
Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
repository.mail.fl_str_mv |
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1799134612887175168 |