Bilirubin (IMAGE) American Chemical Society Caption Scientists are reporting discovery of bilirubin in the white bird of paradise tree, the first example of this pigment in plants. Shown is the plant's furry seed which contains bilirubin. Credit The American Chemical Society 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.