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Pollination and breeding system in two sympatric Fuchsia (Onagraceae) species at the Parque Nacional do Itatiaia (Brazil): Hummingbirds, insects and facultative self-pollination




Bees, Fuchsia, hummingbirds, Onagraceae, pollination, Quelusia


Fuchsia regia and F. campos-portoi (Onagraceae) belong to section Quelusia; a group native to the Patagonian, Southern and Southeastern Brazilian regions. To date, no studies coupling detailed pollinator observations and breeding system experiments have been published for
these species. Studies were performed at the Parque Nacional do Itatiaia (Rio de Janeiro), in altitudes ranging from 1300 to 2790 meters a.s.l. The flowers are nectariferous and protogynous. Yet, both species are self-compatible and facultatively autogamous, since more than 43% of the intact flowers undergo delayed self-pollination. Hummingbirds (four species), Acroceridae flies and bees (Apis mellifera and Bombus brasiliensis), in
that order of importance, were recorded as pollinators of F. regia. In F. campos-portoi, bees of B. brasiliensis were the most frequent pollinators,
followed by hummingbirds (three species). Experimental crosses between the two species yielded no fruits, in spite of their sharing of pollinators and of the existence of hybrids mentioned in literature.


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Como Citar

Archer, P. ., Perdomo, O. ., Breier, T. B. ., Nunes-Freitas, A. F. ., & B. Singer, R. . (2021). Pollination and breeding system in two sympatric Fuchsia (Onagraceae) species at the Parque Nacional do Itatiaia (Brazil): Hummingbirds, insects and facultative self-pollination. Iheringia, Série Botânica., 76.