(from the article `Lamiaceae`) The 40 to 50 species of the genus Lamium are known as dead nettles; they are low weedy plants that are sometimes cultivated. There are about 350 ... Found on http://www.britannica.com/eb/a-z/d/19
any of various plants belonging to the genus Lamium, of the mint family, native to the Old World, having opposite leaves and clusters of small reddish or white flowers. Found on https://www.infoplease.com/dictionary/dead-nettle