Gympie Gympie Stinging Tree (IMAGE) University of Queensland Caption The Gympie Gympie stinging tree has needle-like trichomes which inject toxins. Credit Institute for Molecular Bioscience, University of Queensland Usage Restrictions Credit: Institute for Molecular Bioscience, University of Queensland 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.