Sorghum Races (IMAGE) Cornell University Caption The image shows variation in seed head architecture of the different sorghum races, including (from left to right) bicolor, guinea, caudatum, kafir and durra. Credit Nadia Shakoor Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.