Collinsonia canadensis is a perennial medicinal herb in the mint family. Common names include Canada Horsebalm, Richweed, Hardhack, Heal-All, Horseweed, Ox-Balm and Stone root.
collinsonia canadensis meaning： Noun: Collinsonia canadensis Erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers; the eastern United States - horse balm , horseweed , stoner...
