Pollination of Pagamea duckei Standl. (Rubiaceae): a functionally dioecious species

Detalhes bibliográficos
Autor(a) principal: Terra-Araujo,Mário Henrique
Data de Publicação: 2012
Outros Autores: Webber,Antonio Carlos, Vicentini,Alberto
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Biota Neotropica
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032012000400010
Resumo: The floral biology, pollination and breeding system of Pagamea duckei Standl. (Rubiaceae) were studied at the Reserva Biológica da Campina, Manaus, Amazonas, Brazil. Floral morphology suggested that P. duckei is a distylous species. However, crossing experiments revealed that it is functionally dioecious. The flowers are actinomorphic, yellowish, produce nectar and a sweet odor, which is more intense in the morning. Anthesis started in the morning between 5.00 and 6.00 AM and extended until dusk, when the corolla tube abscissed. The flowers were visited mostly by bees of the genus Melipona. Pagamea duckei is not agamospermic and thus needs pollen vectors for effective pollination. The results of this study strengthen the idea that, in Pagamea, species with distylous flower morphology are actually functionally dioecious.
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spelling Pollination of Pagamea duckei Standl. (Rubiaceae): a functionally dioecious speciesfloral biologyheterostylycampinarana forestsCentral AmazoniaThe floral biology, pollination and breeding system of Pagamea duckei Standl. (Rubiaceae) were studied at the Reserva Biológica da Campina, Manaus, Amazonas, Brazil. Floral morphology suggested that P. duckei is a distylous species. However, crossing experiments revealed that it is functionally dioecious. The flowers are actinomorphic, yellowish, produce nectar and a sweet odor, which is more intense in the morning. Anthesis started in the morning between 5.00 and 6.00 AM and extended until dusk, when the corolla tube abscissed. The flowers were visited mostly by bees of the genus Melipona. Pagamea duckei is not agamospermic and thus needs pollen vectors for effective pollination. The results of this study strengthen the idea that, in Pagamea, species with distylous flower morphology are actually functionally dioecious.Instituto Virtual da Biodiversidade | BIOTA - FAPESP2012-12-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032012000400010Biota Neotropica v.12 n.4 2012reponame:Biota Neotropicainstname:Instituto Virtual da Biodiversidade (BIOTA-FAPESP)instacron:BIOTA - FAPESP10.1590/S1676-06032012000400010info:eu-repo/semantics/openAccessTerra-Araujo,Mário HenriqueWebber,Antonio CarlosVicentini,Albertoeng2013-02-01T00:00:00Zoai:scielo:S1676-06032012000400010Revistahttps://www.biotaneotropica.org.br/v20n1/pt/https://old.scielo.br/oai/scielo-oai.php||juliosa@unifap.br1676-06111676-0611opendoar:2013-02-01T00:00Biota Neotropica - Instituto Virtual da Biodiversidade (BIOTA-FAPESP)false
dc.title.none.fl_str_mv Pollination of Pagamea duckei Standl. (Rubiaceae): a functionally dioecious species
title Pollination of Pagamea duckei Standl. (Rubiaceae): a functionally dioecious species
spellingShingle Pollination of Pagamea duckei Standl. (Rubiaceae): a functionally dioecious species
Terra-Araujo,Mário Henrique
floral biology
heterostyly
campinarana forests
Central Amazonia
title_short Pollination of Pagamea duckei Standl. (Rubiaceae): a functionally dioecious species
title_full Pollination of Pagamea duckei Standl. (Rubiaceae): a functionally dioecious species
title_fullStr Pollination of Pagamea duckei Standl. (Rubiaceae): a functionally dioecious species
title_full_unstemmed Pollination of Pagamea duckei Standl. (Rubiaceae): a functionally dioecious species
title_sort Pollination of Pagamea duckei Standl. (Rubiaceae): a functionally dioecious species
author Terra-Araujo,Mário Henrique
author_facet Terra-Araujo,Mário Henrique
Webber,Antonio Carlos
Vicentini,Alberto
author_role author
author2 Webber,Antonio Carlos
Vicentini,Alberto
author2_role author
author
dc.contributor.author.fl_str_mv Terra-Araujo,Mário Henrique
Webber,Antonio Carlos
Vicentini,Alberto
dc.subject.por.fl_str_mv floral biology
heterostyly
campinarana forests
Central Amazonia
topic floral biology
heterostyly
campinarana forests
Central Amazonia
description The floral biology, pollination and breeding system of Pagamea duckei Standl. (Rubiaceae) were studied at the Reserva Biológica da Campina, Manaus, Amazonas, Brazil. Floral morphology suggested that P. duckei is a distylous species. However, crossing experiments revealed that it is functionally dioecious. The flowers are actinomorphic, yellowish, produce nectar and a sweet odor, which is more intense in the morning. Anthesis started in the morning between 5.00 and 6.00 AM and extended until dusk, when the corolla tube abscissed. The flowers were visited mostly by bees of the genus Melipona. Pagamea duckei is not agamospermic and thus needs pollen vectors for effective pollination. The results of this study strengthen the idea that, in Pagamea, species with distylous flower morphology are actually functionally dioecious.
publishDate 2012
dc.date.none.fl_str_mv 2012-12-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032012000400010
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032012000400010
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S1676-06032012000400010
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Instituto Virtual da Biodiversidade | BIOTA - FAPESP
publisher.none.fl_str_mv Instituto Virtual da Biodiversidade | BIOTA - FAPESP
dc.source.none.fl_str_mv Biota Neotropica v.12 n.4 2012
reponame:Biota Neotropica
instname:Instituto Virtual da Biodiversidade (BIOTA-FAPESP)
instacron:BIOTA - FAPESP
instname_str Instituto Virtual da Biodiversidade (BIOTA-FAPESP)
instacron_str BIOTA - FAPESP
institution BIOTA - FAPESP
reponame_str Biota Neotropica
collection Biota Neotropica
repository.name.fl_str_mv Biota Neotropica - Instituto Virtual da Biodiversidade (BIOTA-FAPESP)
repository.mail.fl_str_mv ||juliosa@unifap.br
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