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Nectar dynamics and reproductive biology of Passiflora actinia Hook. (Passifloraceae) in Araucaria Forest Acta Botanica
Varassin,Isabela Galarda; Baggio,Ana Carolina; Guimarães,Paulo César; Prazeres,Luiz Carlos; Cervi,Armando Carlos; Bueno,Raquel de Oliveira.
ABSTRACT Nectar production has an important role in pollinator attraction and successful fruit production in many self-incompatible angiosperm groups. The reproductive biology of Passiflora actinia was studied here and related to nectar dynamics. Passiflora actinia presented a temporal segregation of male and female functions at the beginning of anthesis. Due to the movements of floral verticils, the anthers were positioned in a way that favors pollination two hours before the stigmas reached the same position. The nectary consisted of an epidermis with stomata and a parenchyma rich in starch, which was hydrolyzed during anthesis. The nectary organization is probably associated with the continuous production of nectar during anthesis as well as with the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bees; Nectar; Nectary; Pollination; Xylocopa.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062018000300426
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