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Flowering Phenology of a Palm Community in a Central Amazon Forest
Andrew Henderson, Beat Fischer, Aldicir Scariot, Manoel A. Whitaker Pacheco and Renata Pardini
Vol. 52, No. 2 (Apr. - Jun., 2000), pp. 149-159
Stable URL: http://www.jstor.org/stable/2666506
Page Count: 11
You can always find the topics here!Topics: Phenology, Taxa, Flowering, Pollination, Rain, Inflorescences, Tropical rain forests, Forest communities, National forests, Forestry research
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The flowering phenology of 27 taxa of palms in a lowland moist forest in the central Amazon was recorded over a 40 month period. Phenological data were transformed into measures of synchrony, regularity, and duration. Flowering was observed at all times of year and there was no correlation with rainfall either for the current month or for any monthly lag interval. The 27 taxa were divided into three pollination groups-weevil, bee/fly, or beetle-based on their behavior at anthesis. Phenology was significantly correlated with pollination groups. Weevil-pollinated palms had higher synchrony and shorter duration of flowering than other groups. Bee/fly-pollinated palms had lower synchrony and longer duration of flowering. The beetle-pollinated palms were intermediate between the two other groups. Seasonal regularity of flowering was similar in all three groups. We suggest that, at least in Bactris, taxa exhibit staggered flowering.
Brittonia © 2000 New York Botanical Garden Press