The characteristics of a new castor bean (Ricinus communis L.) cultivar, named IAC-226 (Tarabay), obtained by hybridization between 'Pindorama' and 'Campinas', and selected by the pedigree method, are reported. The origin, characteristics of the plant and fruits such as seed weight and yield are described. Remarkable traits are: tall height indehiscent fruits, adaptation and outstanding yield ability with mean value of 2,681kg of seeds/ha and 1,233kg of oil/ha.
castor bean; cultivar I AC-226; plant breeding