Cushion Pink (<i>Silene acaulis</i>) (IMAGE) University of Gothenburg Caption Cushion Pink (Silene acaulis) is a good example of a cushion plant, and is one of the species that was studied in Sweden. Credit Henrik Antonsson 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.