Pollination biology of a tree species of Cupania: synchronous dichogamy, generalist phenotype and predominance of stingless bees

Background and aims: We know little about the pollination biology of tropical tree species associated with the pollination system by diverse insects (DI). We studied the floral biology, breeding system, and floral visitors of Cupania oblongifolia. M&M: Experiments and observations were carri...

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Autores principales: Fonseca, Alexandre Tomaz da, Freitas, Leandro
Formato: Artículo revista
Lenguaje:Portugués
Publicado: Sociedad Argentina de Botánica 2022
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Acceso en línea:https://revistas.unc.edu.ar/index.php/BSAB/article/view/35857
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record_format ojs
institution Universidad Nacional de Córdoba
institution_str I-10
repository_str R-10
container_title_str Revistas de la UNC
language Portugués
format Artículo revista
topic abelhas
generalização ecológica
interações planta-polinizador
Meliponini
monoecia
sucesso reprodutivo
Sapindaceae.
bees
ecological generalization
Meliponini
monoecious
plant- pollinator interactions
reproductive success
Sapindaceae
spellingShingle abelhas
generalização ecológica
interações planta-polinizador
Meliponini
monoecia
sucesso reprodutivo
Sapindaceae.
bees
ecological generalization
Meliponini
monoecious
plant- pollinator interactions
reproductive success
Sapindaceae
Fonseca, Alexandre Tomaz da
Freitas, Leandro
Pollination biology of a tree species of Cupania: synchronous dichogamy, generalist phenotype and predominance of stingless bees
topic_facet abelhas
generalização ecológica
interações planta-polinizador
Meliponini
monoecia
sucesso reprodutivo
Sapindaceae.
bees
ecological generalization
Meliponini
monoecious
plant- pollinator interactions
reproductive success
Sapindaceae
author Fonseca, Alexandre Tomaz da
Freitas, Leandro
author_facet Fonseca, Alexandre Tomaz da
Freitas, Leandro
author_sort Fonseca, Alexandre Tomaz da
title Pollination biology of a tree species of Cupania: synchronous dichogamy, generalist phenotype and predominance of stingless bees
title_short Pollination biology of a tree species of Cupania: synchronous dichogamy, generalist phenotype and predominance of stingless bees
title_full Pollination biology of a tree species of Cupania: synchronous dichogamy, generalist phenotype and predominance of stingless bees
title_fullStr Pollination biology of a tree species of Cupania: synchronous dichogamy, generalist phenotype and predominance of stingless bees
title_full_unstemmed Pollination biology of a tree species of Cupania: synchronous dichogamy, generalist phenotype and predominance of stingless bees
title_sort pollination biology of a tree species of cupania: synchronous dichogamy, generalist phenotype and predominance of stingless bees
description Background and aims: We know little about the pollination biology of tropical tree species associated with the pollination system by diverse insects (DI). We studied the floral biology, breeding system, and floral visitors of Cupania oblongifolia. M&M: Experiments and observations were carried out in an area of the Atlantic Forest. Results: The flowers are small and greenish and produce little nectar. The species is diclinous-monoecious but the anthesis of female and male flowers is temporally separated into the inflorescences, with little or no overlap (i.e., synchronized dichogamy). Fruit set did not differ after cross- and self-pollinations and natural conditions, indicating the absence of both self-incompatibility and pollen limitation. Flowers of C. oblongifolia were visited by 87 species of Hymenoptera, Diptera, Lepidoptera, and Coleoptera. Male flowers were more visited and 20 species visited the two morphs. Floral visitors were mostly rare and about 80% of the visits were made by Hymenoptera, mainly stingless bees. Two species of Scaptotrigona were eudominant. Conclusions: The floral phenotype fits on the description of DI systems. Many species of insects were recorded but stingless bees predominated. Meliponini constitutes the most abundant anthophilous group in Neotropical forests, thus pollination systems associated with them are expected. Based on our results, it is possible to forecast that some species classified as DI based on floral phenotype and visitor richness may be strongly associated with a certain group of pollinators, denoting a lower degree of generalization
publisher Sociedad Argentina de Botánica
publishDate 2022
url https://revistas.unc.edu.ar/index.php/BSAB/article/view/35857
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AT freitasleandro pollinationbiologyofatreespeciesofcupaniasynchronousdichogamygeneralistphenotypeandpredominanceofstinglessbees
AT fonsecaalexandretomazda biologiadapolinizacaodeespeciearboreadecupaniadicogamiasincronizadafenotipogeneralistaepredominanciadeabelhassemferrao
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first_indexed 2022-08-20T01:21:35Z
last_indexed 2022-08-20T01:21:35Z
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spelling I10-R10-article-358572022-06-29T17:25:06Z Pollination biology of a tree species of Cupania: synchronous dichogamy, generalist phenotype and predominance of stingless bees Biologia da polinização de espécie arbórea de Cupania: dicogamia sincronizada, fenótipo generalista e predominância de abelhas sem ferrão Fonseca, Alexandre Tomaz da Freitas, Leandro abelhas generalização ecológica interações planta-polinizador Meliponini monoecia sucesso reprodutivo Sapindaceae. bees ecological generalization Meliponini monoecious plant- pollinator interactions reproductive success Sapindaceae Background and aims: We know little about the pollination biology of tropical tree species associated with the pollination system by diverse insects (DI). We studied the floral biology, breeding system, and floral visitors of Cupania oblongifolia. M&M: Experiments and observations were carried out in an area of the Atlantic Forest. Results: The flowers are small and greenish and produce little nectar. The species is diclinous-monoecious but the anthesis of female and male flowers is temporally separated into the inflorescences, with little or no overlap (i.e., synchronized dichogamy). Fruit set did not differ after cross- and self-pollinations and natural conditions, indicating the absence of both self-incompatibility and pollen limitation. Flowers of C. oblongifolia were visited by 87 species of Hymenoptera, Diptera, Lepidoptera, and Coleoptera. Male flowers were more visited and 20 species visited the two morphs. Floral visitors were mostly rare and about 80% of the visits were made by Hymenoptera, mainly stingless bees. Two species of Scaptotrigona were eudominant. Conclusions: The floral phenotype fits on the description of DI systems. Many species of insects were recorded but stingless bees predominated. Meliponini constitutes the most abundant anthophilous group in Neotropical forests, thus pollination systems associated with them are expected. Based on our results, it is possible to forecast that some species classified as DI based on floral phenotype and visitor richness may be strongly associated with a certain group of pollinators, denoting a lower degree of generalization Introdução e objetivos: Pouco sabemos acerca da biologia da polinização de espécies arbóreas tropicais com sistema de polinização por diversos insetos (DI). Estudamos a biologia floral, o sistema reprodutivo e os visitantes florais de Cupania oblongifolia. M&M: Experimentos e observações foram feitos em uma área de Mata Atlântica. Resultados: As flores são pequenas e esverdeadas e secretam pouco néctar. A espécie é díclina-monóica, mas a antese das flores femininas e masculinas é separada temporalmente nas inflorescências, com pouca ou sem sobreposição (i.e., dicogamia sincronizada). A produção de frutos não diferiu após polinização cruzada, autopolinização e condições naturais, indicando não haver autoincompatibilidade nem limitação polínica. A espécie foi visitada por 87 espécies de Hymenoptera, Diptera, Lepidoptera e Coleoptera. Flores masculinas foram mais visitadas e 20 espécies visitaram os dois morfos florais. A maioria dos visitantes florais foi rara e cerca de 80% das visitas foram de Hymenoptera, em particular abelhas sem ferrão. Duas espécies de Scaptotrigona foram eudominantes. Conclusões: O fenótipo floral se encaixa na descrição do sistema DI. Muitos insetos foram registrados, mas abelhas sem ferrão predominaram. Meliponini constitui o grupo antófilo mais abundante nas florestas neotropicais, portanto, sistemas de polinização associados a elas são esperados. A partir de nossos resultados se pode projetar que parte das espécies classificadas como DI com base no fenótipo floral e riqueza de visitantes podem estar fortemente associadas a um grupo específico de polinizadores, o que denotaria um menor grau de generalização. Sociedad Argentina de Botánica 2022-06-29 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf text/html https://revistas.unc.edu.ar/index.php/BSAB/article/view/35857 Boletín de la Sociedad Argentina de Botánica (Journal of the Argentine Botanical Society; Vol. 57 No. 2 (2022): June Boletín de la Sociedad Argentina de Botánica; Vol. 57 Núm. 2 (2022): Junio Boletín de la Sociedad Argentina de Botánica; v. 57 n. 2 (2022): Junio 1851-2372 0373-580X 10.31055/1851.2372.v57.n2 por https://revistas.unc.edu.ar/index.php/BSAB/article/view/35857/38010 https://revistas.unc.edu.ar/index.php/BSAB/article/view/35857/38011 Derechos de autor 2022 Alexandre Tomaz da Fonseca, Leandro Freitas https://creativecommons.org/licenses/by-nc-nd/4.0