Purple Coneflower (IMAGE) University of Kansas Caption The medicinal plant Echinacea in flower in its native prairie habitat in the Smoky Hill River breaks, north of Hays. Credit Kelly Kindscher Usage Restrictions None 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.