Dried flowers of Convallaria majalis L., Liliaceae. Habit. U.S., Europe, Northern Asia; cultivated in gardens. Constit. of dried flowers: Convallatoxin, convallarin, volatile oil; of dried rhizome and roots: Glycosides of convallamarin, convallatoxin, convallarin. Extraction and identification of glycosides: Tschesche, Seehofer, Ber. 87, 1108 (1954); Erbring, Patt, Arzneim.-Forsch. 8, 554 (1958).
Cardiotonic.