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Notes on flowering phenology, nectar robbing and pollination of Symphonia globulifera LF (Clusiaceae) in a lowland rain forest in Costa Rica

by Pascarella, J.B.
Publisher: 1992ISSN: 0304-3711.Subject(s): ARBOLES FORESTALES | NECTAR | POLINIZACION | ORGANISMOS BENEFICOS | FENOLOGIA | FLORACION | BOSQUE HUMEDO | COSTA RICA | FOREST TREES | NECTAR | POLLINATION | PHENOLOGY | FLOWERING | RAIN FORESTS | COSTA RICA | ARBRE FORESTIER | NECTAR | POLLINISATION | PHENOLOGIE | FLORAISON | FORET HUMIDE | COSTA RICA In: Brenesia (Costa Rica) (no.38) p. 83-86Summary: The flowers of Symphonia globulifera (a tropical tree widely distributed in Africa and Central and South America) are protandrous with an overlapping bisexual phase. Nectar is secreted during the bisexual phase and collects at the base of the petals. Hummingbirds are attracted to this nectar but their behaviour at the flowers suggests they are robbing nectar and not pollinating. It is suggested that other visitors, particularly Lepidoptera, may be pollinators.
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The flowers of Symphonia globulifera (a tropical tree widely distributed in Africa and Central and South America) are protandrous with an overlapping bisexual phase. Nectar is secreted during the bisexual phase and collects at the base of the petals. Hummingbirds are attracted to this nectar but their behaviour at the flowers suggests they are robbing nectar and not pollinating. It is suggested that other visitors, particularly Lepidoptera, may be pollinators.

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