Species richness of plants visited by bees at the Universidade Metodista de Piracicaba, São Paulo, Brazil
Keywords:
Floral biology, Urban ecology, Melittophilly, Ornamental plantsAbstract
Plant reproductive ecology in urban environments is of particular importance because it can evaluate the adaptive potential of a species in an urbanized area
or the process of naturalization of an exotic species in Brazil. Studies on pollination biology investigate phenology, floral biology and morphology, and behavior of floral visitors. There are few studies regarding the floral phenology of ornamental
plants, because they generally are exotic species. The aim of this study was to verify species richness of plants visited by bees at the Universidade Metodista de
Piracicaba. The study was conducted from August 2009 to July 2010. Fifty-four species of trees and shrubs were recorded, of which, 52% are native species. The
family Leguminosae was the most represented. Flowering was observed throughout the year, thereby continuously providing rewards (nectar and pollen)
to floral visitors. Flowers were predominantly white and presented open perianths and rimose anthers. Odoriferous substances to attract bees were present in 80% of species. Information about floral phenology and biology may be useful in the maintenance of ornamental plants in urban environments, which provide necessary rewards for floral visitors.
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