Also known asLeonurus cardiaca, lion’s ear, lion’s tale, throwwort.IntroductionMotherwort is a mint with dull green, hairy leaves and an intensely bitter taste. The botanical name Leonurus refers to a fanciful resemblance of the leaves to a lion’s tale. One rather odd Hindu tale relates that if you make a tea of motherwort and add it to the laundry when you wash your socks and underwear, you will bring peace to your home.ConstituentsCaffeic acid 4-rutinoside. Diterpenes of the labdane type, such asleocardin, a mixture of two epimers of 8b-acetoyx-9a, l3a, l5, l6-bisepoxy-l5-hydroyx-7-oxo- labdan-6b, l9-olide. Flavonoids; rutin, quinqueloside, genkwanin, quercitin, quercetrin, isoquercetrin, hyperoside, and apigenin and kaempferol glucosides. Iridoids: leonuride and others not yet identified.Parts UsedAll the above-ground parts of the plant, gathered after flowering, dried, and cut.Typical PreparationsTraditionally used as a tea. Frequently combined with hawthorn. May also be taken as an extract or capsule.PrecautionsConsult your physician before using this herb if you take prescription medication for your heart. Not recommended while pregnant.For educational purposes only This information has not been evaluated by the Food and Drug Administration.This information is not intended to diagnose, treat, cure, or prevent any disease.