species 36,036 observations
White Horehound
Marrubium vulgare
Field notes
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.
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Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Key traits
- Layer
- Herbaceous plants
- Light
- Full sun Part shade
- Moisture
- Dry Well drained
- Plant type
- Edible Herb Herbaceous perennial
From NC State Extension.