Butterwort leaves (IMAGE) Penn State Caption Butterworts are flypaper-like plants that trap prey in sticky hairs on their leaves. The research team is interested in identifying genes that underlie the glue and seeing if this "viscoelasticity" can be introduced to crop plants with glandular hairs, like tomato and tobacco. Credit Tanya Renner, Penn State 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.