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Definition of Ballota nigra
1. Noun. Ill-smelling European herb with rugose leaves and whorls of dark purple flowers. 
Exact synonyms: Black Archangel, Black Horehound, Fetid Horehound, Stinking Horehound
Generic synonyms: Herb, Herbaceous Plant
Group relationships: Ballota, Genus Ballota
Generic synonyms: Herb, Herbaceous Plant
Group relationships: Ballota, Genus Ballota



