Rembrandt tulips take their name from the Dutch artist whose still life pictures often included these flowers. Rembrandt tulips are grown from bulbs that were the type that caused the tulip mania in 17th century Holland. To learn more including the difference between Rembrandts and Parrots read this article by Caren White which I found on the Dengarden website. The text has been removed at the author’s request, but you can find the article at Dengarden.