Tsai Tou Vounou refers to Greek mountain tea that is made of the dried flowers and leaves of the Ironwort plant (sideritis), and is reputed to be good for many ailments like digestion, respiratory problems, anxiety, and many others. The cheap Tsai Tou Vounou is available everywhere in Greece. The teas has a floral, lemony and herbal taste. The use of Ironwort in the Mediterranean as an herbal remedy goes back thousands of years. Dioscorides, a physician born in Asia Minor (modern day Turkey) in the 1st century A.D., mentions the plant in his work De Materia Medica, a pharmaceutical encyclopedia.