Desert Dweller (IMAGE) Arizona State University Caption Patterns of abnormal growth in some flowers and plants result in rare features known as fasciations. Pictured here, a crested saguaro cactus, displaying fanlike irregularities thought to be the result of somatic mutations in their stem cells. Credit <a target="_blank"href="http://commons.wikimedia.org/wiki/File:Fasciated_%28or_Crested%29_Saguaro_Cactus_%28Carnegiea_gigantea%29.jpg">Photo</a> by By Alan Vernon, <a target="_blank"href="https://creativecommons.org/licenses/by/2.0/deed.en">Creative Commons Attribution 2.0 Generic</a> Usage Restrictions <a target="_blank"href="https://creativecommons.org/licenses/by/2.0/deed.en">Creative Commons Attribution 2.0 Generic</a> 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.