Arabidopsis thaliana shoot apical meristem (IMAGE) University of Cambridge Caption Arabidopsis thaliana shoot apical meristem with multiple flowers radiating out from centre at different stages of development (left) and the shoot apex under a scanning electron microscope where the centre area contains stem cells and is surrounded by young flower primordia (right). Credit Weibing Yang Usage Restrictions Image may only be reproduced when credited to Weibing Yang. 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.