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Título: Chemical analyses confirm a rare case os seed dispersal by bees
Autor(es): Cecília Verônica Nuñez
Marcio Luiz de Oliveira
Renata Duarte Lima
Ingrit Elida Collantes Diaz
Ézio Sargentini Jr.
Orlando Libório Pereira Jr.
Lídia Medina Araújo
ISSN: 0044-8435
Revista: Apidologie (Celle)
Volume: 39
Resumo: It has been suggested that dispersal of seeds of Coussapoa asperifolia magnifolia could have endozoochoric dispersal by frugivorous birds and monkeys because the fruits are red when ripe, or exozoochoric dispersal, because the exocarp is mucilaginous and sticky. However, our field observations showed only stingless bees collecting the exocarp with seeds of C. asperifolia magnifolia, which are used for building and repairing their nests, from which the plants sprout. This paper aimed to determine the fruit chemical composition, since we postulated that C. asperifolia magnifolia is neither consumed by birds nor monkeys due to being very sticky and apparently resinous. Apolar extract analyses revealed the fruits are not resinous but extremely rich in waxes ( mainly esterified triglycerides), and polar extract analyses revealed the sugar content to be close to the sensorial minimum level. This probably accounts for why only stingless bees are seen visiting fruits and dispersing seeds.
ISSN: 0044-8435
Aparece nas coleções:Coordenação de Biodiversidade (CBIO)

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