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Difference between revisions of "Ballota nigra - Black horehound"
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Revision as of 14:33, 24 December 2016
Ballota nigra (black horehound) is a perennial herb of the family Lamiaceae. It is native to the Mediterranean region and to central Asia, and it can be found throughout Europe. It is also naturalized in Argentina, New Zealand, and the Eastern United States. It blooms in the Northern Hemisphere from May to August.
Description
Ballota nigra has a very strong characteristic smell that reminds of mould or humidity, and can be recognised by its clusters of hairy, reddish-purple flowers. It can grow up to 3 feet in height.
Fruit
Each fertilized flower produces a tetrad of black nutlets, cylindrical to ovoid, 2 mm long, partially or fully covered by the calyx. The basal end is flat and attached to the receptacle, while the top end is rounded or pointed.
Leaves
Leaves are opposite and decussate, and range from oval-lanceolate to heart-shaped, with crenate or dentate border. Leaves, dark green and usually pubescent, measure 3–8 cm per 2–6 cm, and have 1–3 cm petiole. Upper face is wrinkled, with a net-like vein pattern.
Uses
Usually, the plant is used dry, harvested when blooming. Syrups can be made from fresh plants.
