The genus Dalbergia L.f. (Leguminosae-papilionoideae), with pan tropical distribution which comprises about 250 species. Dalbergia have been widely exploted for the production of red propolis, which consists of a complex mixture made by the bees from the red and balsamic resinous material found in the meristematic tissue in many plant species of this genus. The objective of this work is to survey the occurrence...