Gnetum gnemon (IMAGE) University of Cambridge Caption Gnetum gnemon growing in the glasshouse of the Cambridge University Botanic Garden (left) and as seen under a cryo-SEM showing the secondary cell wall ultrastructure and macrofibrils (right). Credit Jan J Lyczakowski and Raymond Wightman Usage Restrictions Please only republish when in relation to this research paper. License Original 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.