Botanical Overview Marrubium vulgare (White horehound) is a perennial herb in the Lamiaceae family. Commonly used parts include the leaf and aerial parts. The plant is native to Europe, North Africa, and Western Asia and has been introduced to North America. Common names: White horehound, Horehound. Energetics Temperature: Cooling Moisture: Drying Tastes: Bitter Tonicity: Relaxing…