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Photographer: Thomas Schöpke
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Family Lamiaceae
Ballota nigra L.
black horehound
Ballota: Greek but of uncertain origin
nigra: Latin for "black"
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| Status: | Introduced - adventive |
| Plant: | perennial, 12"-32" tall forb, aromatic, hairless; stems square |
| Flower: | pink to white, 5-parted, 1/2" long, strongly 2-lipped with the upper lip hairy and not divided  ; inflorescence 4-8 flowered, separated whorls from the upper leaf axils; blooms June-Sept. |
| Fruit: | 1-seeded nutlet |
| Leaf: | opposite, short-stalked, oval to round, coarse rounded teeth at the edges |
| Habitat: | disturbed areas |
| (Glossary) |
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