Magnolia grandis (IMAGE) American Museum of Natural History Caption Magnolia grandis is one of the world’s most threatened trees, with a total population of fewer than 120 adult trees. This photo, taken in northern Vietnam, shows the tree’s characteristic dark red flower and large leaves. Credit Photo courtesy of Chu Xuan Canh, Fauna and Flora International, Vietnam Usage Restrictions Can be used with appropriate credit 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.