It is a plant with pale pink flowers which grows primarily in marshes in many parts of Europe and the United States.  Used as a tea it aids digestion,, soothes coughs, sore throats, ulcers, heartburn, and inflammatory bowel disease. Used for inflammation and irritation of the alimentary canal.  When taken as a pill combined with ginger, it may relieve allergies. Use it externally for bruises, sprains and muscular disorders.