New Zealand tree nettle (ongaonga) (IMAGE) University of Queensland Caption New Zealand tree nettle (ongaonga) Credit Institute for Molecular Bioscience, University of Queensland Usage Restrictions Please credit Institute for Molecular Bioscience, University of Queensland 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.