An Inga tree growing alongside a river (IMAGE) University of Exeter Caption An Inga tree (I. affinis) growing alongside a river in the cerrado savanna region of central Brazil Credit RT Pennington Usage Restrictions This image may only be used with reports of this research 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.