Marrubium vulgare

Common card · No. 252492

Marrubium vulgare (white horehound or common horehound) is a flowering plant in the mint family (Lamiaceae), native to Europe, northern Africa, and southwestern and central Asia. Specifically, it emerged in the region between the Mediterranean Sea and Central Asia and now inhabits all continents save Antarctica. It is also widely naturalized in many places, including most of North and South America. It is a grey-leaved herbaceous perennial plant, and grows to 25–45 centimetres (10–18 in) tall. The leaves are 2–5 cm (0.8–2.0 in) long with a densely crinkled surface, and are covered in downy hairs. The flowers are white, borne in clusters on the upper part of the main stem.

Read on Wikipedia · Image Franz Eugen Köhler, Köhler's Medizinal-Pflanzen, Public domain