Ballota nigra

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.^{[1][2][3][4][5]} It blooms in the Northern Hemisphere from May to August.

Contents

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• 1Description
  • 1.1Morphology
    • 1.1.1Stem and root
    • 1.1.2Leaves
    • 1.1.3Flowers
    • 1.1.4Fruit
  • 1.2Biochemistry
• 2Taxonomy and etymology
• 3Distribution and habitat
• 4Uses
• 5Subspecies
• 6References
• 7External links