Yellow Water Lily (<i>Nuphar advena</i>) (IMAGE) Penn State Caption The yellow water lily (Nuphar advena) shows evidence of an ancient genome duplication that may have been a key event in the evolution of flowering plants. Credit Yi Hu, Penn State Eberly College of Science Department of Biology 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.