One of the classic heart relaxing and calming herbs and is well known as a uterine tonic. Tall and slightly invasive through seeds. Leonurus, the genus name, means �lion�s tail� because many believed the plant�s leaves resembled the tip of a lion�s tail whereas cardiaca reveals its cardiovascular properties. It was been used for centuries to regulate a rapid or irregular heartbeat It�s also a great herb for women as the name motherwort hints at: it regulates the menstrual cycle, relaxes the uterus after giving birth and increases milk supply.