Digitalis lanata seedlings (image) University at Buffalo Share Print E-Mail Caption Digitalis lanata seedlings, grown in a greenhouse. This species of foxglove plant makes digoxin, a chemical that is used sparingly to treat heart failure. Credit Zhen Wang Usage Restrictions This photo may only be used in news stories discussing the research in the related press release. Share Print E-Mail 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.