Stachys's a genus of about 300 species of annual and perennial herbaceous plants and shrubs in the family Lamiaceae. The distribution of the genus covers Europe, Asia, Africa, Australasia and North America. Common names include heal-all, self-heal, woundwort, betony, lamb's ears, and hedgenettle. Wood betony, Stachys officinalis, was the most important medicinal herb to the Anglo-Saxons of early medieval Britain. The stems vary from 50-300 cm tall, with simple, opposite triangular leaves 1-14… (More on Stachys)