Motherwort, also called Leonurus cardiaca, is a perennial plant that grows up to 1.5 meters tall. This species is indigenous to Asia, but it has been cultivated successfully in Europe and North America as well. It has pink flowers and palm-shaped leaves. Its aerial parts are used for medicinal properties, and they are composed of such constituents as alkaloids, iridoids, flavonoids, diterpenes, tannins, and caffeic acid.