Calathea Roseopicta Medallion - Prayer Plant - Pet Safe HouseplantsCalathea Roseopicta Medallion is one of the most popular prayer plants, instantly recognisable by its round, glossy leaves with deep green and silver patterns and rich purple undersides. Each leaf resembles a painted medallionhence the plant's name. As a member of the Calathea family, this attractive plant folds its leaves upward at night in a gentle, natural motion. It is also pet friendly, making it a perfect addition to homes with cats or dogs.