Origin Map (IMAGE) Pensoft Publishers Caption This is a hypothetical origin and subsequent dispersal of <i>Opuntia</i> polyploid species. Credit Lucas C. Majure et al. 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.