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DOI:
https://doi.org/10.5007/2175-7925.2008v21n2p51Abstract
Phenology and fl oral visitors of Erythrina crista-galli L. (Leguminosae: Faboideae) in Santa Maria, Rio Grande do Sul, Brazil. Erythrina crista- galli is a characteristic species of the Pampa biome also used as an ornament in urban arborization. Erythrina crista-galli fl ourishes more intensively from November to December. Anthesis starts around 7:00 am to 11:00 am, and fl owers last fi ve days. A total of 1,275 fl oral visits were registered over 57h of observations. Apidae bees (Trigona spinipes and Apis mellifera) were the most frequent visitors (88.23%), followed by Muscidae fl ies (5.50%), Formicidae ants (2.35%), Ves- pidae wasps (1.56%), and Chrysomelidae beetles (1.56%). Trochilidae hummingbirds (Chlorostilbon aureoventris) (0.79%) also visited the fl owers. Trigona spinipes was observed at throughout the daytime and behaved as a probable pollinator, along with A. mellifera and C. aureoventris. E. crista-galli is autocompatible, producing fruits and seeds after manual pollination and under natural conditions.Downloads
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2008-01-01
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