Photo: Ballota nigra 7.

Flowering tops. Helsinki bot.g. (Kaisan.), Finland. Planted. 2006-08-08.
Ballota nigra L. Engl.: black horehound. Deu.: Schwarznessel, Stinkandorn. Suom.: porro. Sven.: bosyska, bonässla, äkta bosyska. Ital.: marrubio fetido. Span.: balota negra, marrubio negro, ortiga muerta. Bot. syn.: Ballota alba L., Ballota borealis Schweig., Ballota foetida auct., Ballota ruderalis Sw.
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Photo: Ballota nigra 7.