'<i>Oxypetalum solanoides</i>' (IMAGE) Wiley Caption This is an example of the horned pollinaria found in South American milkweed. Credit Andrea Cocucci 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.