Close-up View of Arils (IMAGE) American Society for Horticultural Science Caption These are the arils of the Bird of Paradise flower, Strelitzia reginae. The capsule is about 1 3/4" wide when open. Credit Photo by Tom DeFanti 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.