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Pollination biology and breeding systems of six Vochysia species (Vochysiaceae) in Central Brazil

Published online by Cambridge University Press:  10 July 2009

Paulo Oliveira  and
Peter Gibbs
Paulo Oliveira
Affiliation:
Departamento de Biociencias, Universidade Federal de Uberlândia, Cxp 593, Uberlândia-MG, Brazil
Peter Gibbs
Affiliation:
Plant Science Laboratories, Sir Harold Mitchell Building, The University, St Andrews, KY16 9AL, Scotland, UK
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Abstract

Six Vochysia species occurring in cerrado vegetation or gallery forest in central Brazil were studied for their pollination biology and breeding system. The species showed rather different flowering phenologies, but presented a relatively uniform floral morphology and attracted a mostly similar spectrum of visitors. Principal pollinators were large Anthophoridae bees, but three species were also visited by sphingid moths while hummingbirds were opportunistic visitors to all species. Some observations indicated that the slight differences in flower size or habitat between species may have influenced the relative importance of bees versus hummingbirds or sphingids as effective pollinators. All six species were found to be self-incompatible with self-pollen tube rejection, usually accompanied by callose deposition, occurring in the mid-style.

Keywords

pollinationVochysia spp.Brazil
Type
Research Article
Information
Journal of Tropical Ecology , Volume 10 , Issue 4 , November 1994 , pp. 509 - 522
Copyright
Copyright © Cambridge University Press 1994

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