Abstract
The taxonomic distribution and abundance of woody plants with extrafloral nectaries (EFNs) are reported for different areas of cerrado vegetation (subtropical savanna) in the state of Sao Paulo, southeast Brazil. Thirty-four plant species belonging to 15 families were found to have EFNs. The Mimosaceae (6 species) and Bignoniaceae and Vochysiaceae (4 species each) were the families most frequently bearing EFNs. Glands associated with vegetative parts (leaves, stem) were more common (91.2%) than those found near the bud or flower (20.6%). The percentage of EFN-bearing species within the woody floras of 5 cerrado areas in Sao Paulo ranged from 15.5 to 20.2. The abundance of plants with EFNs in these areas varied from 7.6 to 20.3 percent. These results are compared with data obtained from other similar studies undertaken in temperate and tropical habitats.
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