<i>Arabidopsis</i> Flower (IMAGE) California Institute of Technology Caption The sepals are the outer green leaf-like organs of the Arabidopsis flower. Credit Caltech/Adrienne Roeder Usage Restrictions With credit as given above. 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.