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Pollination ecology of Caryocar brasiliense (Caryocaraceae) in Central Brazil cerrado vegetation

Published online by Cambridge University Press:  10 July 2009

Rogério Gribel  and
John D. Hay
Rogério Gribel
Affiliation:
Departamento de Ecologia, Instituto Nacional de Pesquisas da Amazonia, Caixa Postal 478, 69011–970 Manaus, AM, Brazil
John D. Hay
Affiliation:
Departamento de Ecologia, Fundação Universidade de Brasília, 70000 Brasília, DF, Brazil
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Abstract

The floral biology, breeding system and pollination of Caryocar brasiliense were studied in the cerrado vegetation of Central Brazil. The large, yellowish-cream, brush-like flowers are pollinated mainly by glossophagine bats (Glossophaga soricina and Anoura geoffroyi). Three non-glossophagine bats (Phyllostomus discolor, Vampyrops lineatus and Carollia perspicillata) and two short probosisced hawk moths (Erinyis ello and Pseudosphinx tetrio) may also act as occasional pollinators. Caryocar brasiliense is self-compatible although it sets significantly more fruits when crossed than when selfed. The natural fruit set (fruit/flower ratio) and seed set (seed/ovule ratio) are 3.1% and 1.0% respectively. Most of the fruits and seeds are formed through the action of the flower visitors, despite the fact that about 20% of the non-visited flowers receive self pollen on at least one stigma.

Keywords

bat-pollinationBrazilCaryocarCaryocaraceaecerradochiropterophilyglossophagine batspollinationsphingid-pollination
Type
Research Article
Information
Journal of Tropical Ecology , Volume 9 , Issue 2 , May 1993 , pp. 199 - 211
Copyright
Copyright © Cambridge University Press 1993

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