Z. pseudoparasitica cones (IMAGE) Smithsonian Tropical Research Institute Caption Zamia pseudoparasitica is the only species in its genus that grows on other trees, but little is known about how it persists in the canopy. Credit Pedro Luis Castillo, Smithsonian Tropical Research Institute Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. Adaptations must be shared under the same terms. License CC BY-NC-SA 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.