Petunia on glass (IMAGE) Purdue University Caption Petunia placed in a glass container in preparation for extraction of floral volatiles. Credit Purdue Agricultural Communications/Tom Campbell Usage Restrictions This image may be used by news organizations in reports referencing Purdue University’s research on floral volatiles. 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.