Male cycad isotomous (IMAGE) University of Guam Caption University of Guam cycad specialist Benjamin Deloso points to a special type of branching that botanists call "isotomous" on a male Cycas micronesica tree. Credit University of Guam 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.