Digitalis lutea, the straw foxglove or small yellow foxglove, is a short-lived perennial plant. Digitonin is a steroidal saponin (saraponin) obtained from the foxglove plant "Digitalis purpurea". The best-known species is the common foxglove, "Digitalis purpurea". "Digitalis lanata" has several other common names such as "Grecian foxglove" and "woolly foxglove". The cardiac glycosides are powerful drugs from plants including foxglove and lily of the valley. It is commonly known as the Chinese violet, coromandel or creeping foxglove. Non-native introduced plants such as foxglove, ivy and holly are also evident. A group of medicines extracted from foxglove plants are called digitalin. Dagny Rollins plays the role of Felicity Foxglove. The girls, in turn, poison Eve 7's drink with a fatal dose of foxglove. Erasmus Darwin tried to take the credit for Foxglove and failed. The first description of the use of foxglove dates back to 1775. The symbol for werewolves is a black foxglove.