Issue Date: Oct 15, 2010
Yellow pigment clue to evolution
Bilirubin, responsible for the yellowish tinge in the skin, eyes and nails of jaundice patients, has for the first time been identified in plants. The pigment was discovered in Strelitzia reginae Aiton, commonly know as the Bird of Paradise plant. It is indigenous to South Africa and known for its orange and blue inflorescence.