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Provedor de dados:  88
País:  Brazil
Título:  Fly pollination and pollinator sharing in two synchronopatric species: Cordia multispicata (Boraginaceae) and Borreria alata (Rubiaceae)
Autores:  MACHADO,ISABEL CRISTINA
LOIOLA,MARIA IRACEMA
Data:  2000-09-01
Ano:  2000
Palavras-chave:  Fly-pollination
Heterostyly
Atlantic forest
Cordia
Borreria
Resumo:  The floral biology of Cordia multispicata (Boraginaceae) and Borreria alata (Rubiaceae) was studied in natural populations in a fragment of the Atlantic forest in Pernambuco, northeastern Brazil. Both species flower during almost the whole year. Cordia multispicata is a shrubby species with white, distylous and tubular flowers. Borreria alata is a herbaceous species. Its flowers are whitish, tubular and have a polymorphism in relation to the size of their style. Floral anthesis in both species begins at 6:00 a.m. Sugar concentration in the nectar was about 16% in C. multispicata and 30% in B. alata. Nine species of flies, mainly of the genus Palpada (Syrphidae), were observed visiting flowers of the two species. Seven of them were observed visiting and pollinating flowers of both C. multispicata and B. alata. Two species visited only flowers of C. multispicata, whereas no fly was exclusive to B. alata flowers. Both species have similar flower morphology, flowering time, habitats in the forest and establish populations very close to each other. These facts can favour the pollinators’ sharing and increase pollinator attraction.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042000000300006
Editor:  Sociedade Botânica de São Paulo
Relação:  10.1590/S0100-84042000000300006
Formato:  text/html
Fonte:  Brazilian Journal of Botany v.23 n.3 2000
Direitos:  info:eu-repo/semantics/openAccess
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