Artigo

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

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 dioe...

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Autor principal: Terra-Araujo, Mário Henrique
Outros Autores: Webber, Antonio Carlos, Vicentini, Alberto
Grau: Artigo
Idioma: pt_BR
Publicado em: Biota Neotropica 2020
Assuntos:
Apoidea
Melipona
Pagamea
Rubiaceae
Acesso em linha: https://repositorio.inpa.gov.br/handle/1/14920
id oai:repositorio:1-14920
recordtype dspace
spelling oai:repositorio:1-14920 Pollination of Pagamea duckei Standl. (Rubiaceae): A functionally dioecious species Polinização de Pagamea duckei Standl. (Rubiaceae): Uma espécie funcionalmente dióica Terra-Araujo, Mário Henrique Webber, Antonio Carlos Vicentini, Alberto Apoidea Melipona Pagamea Rubiaceae 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. 2020-05-07T13:57:28Z 2020-05-07T13:57:28Z 2012 Artigo https://repositorio.inpa.gov.br/handle/1/14920 10.1590/S1676-06032012000400010 pt_BR Volume 12, Número 4, Pags. 98-104 Attribution-NonCommercial-NoDerivs 3.0 Brazil http://creativecommons.org/licenses/by-nc-nd/3.0/br/ application/pdf Biota Neotropica
institution Instituto Nacional de Pesquisas da Amazônia - Repositório Institucional
collection INPA-RI
language pt_BR
topic Apoidea
Melipona
Pagamea
Rubiaceae
spellingShingle Apoidea
Melipona
Pagamea
Rubiaceae
Terra-Araujo, Mário Henrique
Pollination of Pagamea duckei Standl. (Rubiaceae): A functionally dioecious species
topic_facet Apoidea
Melipona
Pagamea
Rubiaceae
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.
format Artigo
author Terra-Araujo, Mário Henrique
author2 Webber, Antonio Carlos
Vicentini, Alberto
author2Str Webber, Antonio Carlos
Vicentini, Alberto
title Pollination of Pagamea duckei Standl. (Rubiaceae): A functionally dioecious species
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
publisher Biota Neotropica
publishDate 2020
url https://repositorio.inpa.gov.br/handle/1/14920
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score 11.755432

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