Fig.2 (IMAGE) Maximum Academic Press Caption A Venn-diagram showing clusters of orthologous groups of genes (OGs) for the four Macadamia species and T. speciosissima. Credit Tropical Plants Usage Restrictions Credit must be given to the creator. License CC BY 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.