Tulip, Tulipa greigii (IMAGE) University of Cambridge Caption This tulip species is not threatened but is rare in cultivation, and under-distributed across the world's botanic gardens. Credit Howard Rice Usage Restrictions With 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.