Cassandra Quave, Emory Health Sciences (IMAGE) Emory Health Sciences Caption Cassandra Quave, an ethnobotanist at Emory University, in her lab with berries from the Brazilian peppertree. Credit Emory University Usage Restrictions Must include credit 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.