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black horehound

Scientific Name: Ballota nigra var. alba

Family: Lamiaceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Black Horehound (Ballota nigra)

Black horehound, scientifically known as Ballota nigra, is a perennial herb with a history of traditional uses. It's important not to confuse it with white horehound, as they have different properties.

Considerations for Pets

  • Black horehound is described as having a "fetid odor" or being "unpleasant-smelling." Animals might be averse to the scent, but it could also attract some depending on the individual.

Considerations for Children

  • The plant is noted to have a strong, unpleasant taste.

Taxonomy and Nomenclature

  • Scientific Name: Ballota nigra
  • Common Names: Black Horehound, Black Stinking Horehound, Stinking Roger, Fetid Hoarhound, Marrubium nigrum, Black Archangel
  • Family: Lamiaceae (also known as Labiatae or Mint Family)

Distribution and Habitat

  • Native to the Mediterranean region and central Asia.
  • Also found in Europe and northern Africa, with scattered locations in North America.
  • Grows in hedgerows, roadside verges, waste grounds, woods, open areas, pavement cracks, and near human habitation.

Ecological Role

  • Considered a weed in Europe.
  • Thrives in disturbed areas and can be found along roadsides.

Morphological Characteristics

  • Perennial herb, typically growing to a height of 30-100 cm.
  • Stem is wooded at the base and 4-edged.
  • Leaves are ovate, arranged in pairs opposite each other, and attached by leaf-stalks.
  • Leaf edges are dented, with a dark green upper surface and a paler underside showing a netted pattern.
  • Flowers are pink to purple with two lips, arranged in dense whorls along the leafy stem.
  • The plant has a calyx that is funnel-shaped.
  • Green parts often turn a dirty purplish-black, which contributes to the common name.
  • Aromatic plant, though often described as unpleasant-smelling.

Traditional Uses

  • Traditionally used for heavy periods.
  • Has a long history of herbal use.
  • Historically used as an adulterant of other herbs.

Interactions with Other Organisms

  • Serves as a food source for certain insects, such as those that feed on its roots during the winter.

Quirky Facts

  • Black horehound is sometimes referred to as "stinking" horehound due to its strong, unpleasant odor.
  • The plant's green parts often turn a dirty purplish-black, which contributes to its common name.

Further Information

  • WebMD
  • Wikipedia
  • Collins English Dictionary