Marrubium vulgare

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white horehound
Marrubium vulgare - Köhler–s Medizinal-Pflanzen-224.jpg
Marrubium vulgare[1]
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Lamiales
Family: Lamiaceae
Genus: Marrubium
Species: M. vulgare
Binomial name
Marrubium vulgare
L.

Marrubium vulgare (white horehound or common horehound) is a flowering plant in the family Lamiaceae, native to Europe, northern Africa, and southwestern + central Asia. It is also widely naturalized in many places, including most of North + South America.

It is a grey-leaved herbaceous perennial plant, somewhat resembling mint in appearance, and grows to 25–45 centimetres (10–18 in) tall. The leaves are 2–5 cm (0.8–2.0 in) long with a densely crinkled surface, and are covered in downy hairs. The flowers are white, borne in clusters on the upper part of the main stem.

Medicinal usage[edit]

Historical[edit]

Horehound has been mentioned in conjunction with medicinal use dating at least back to the 1st century BC, where it appeared as a remedy for respiratory ailments in the treatise De Medicina by Roman encyclopaedist Aulus Cornelius Celsus.[2] The Roman agricultural writer Columella lists it as a remedy for expelling worms in farm animals in his important first-century work On Agriculture.[3] Since then, horehound has appeared for similar purposes in numerous herbals over the centuries, such as The Herball, or, Generall historie of plantes by John Gerard, and Every Man His Own Doctor: or, The Poor Planter’s Physician by Dr. John Tennent.[4]

Modern[edit]

Several modern scientific studies have been conducted on the usefulness of horehound. For example, a 2011 study concluded that the essential oil of M. vulgare contains potent antimicrobial and anticancer properties,[5] while a 2012 study found marrubiin, one of the primary active compounds found in horehound, to possess "antidiabetic, anti-atherogenic and anti-inflammatory properties".[6]

Candy[edit]

Horehound is used to make hard lozenge candies that are considered by folk medicine to aid digestion, soothe sore throats, and relieve inflammation.[7]

As an invasive weed[edit]

Horehound was introduced to southern Australia in the 19th century as a medicinal herb. It became a weed of native grasslands and pastures where it was introduced with settlers’ livestock, and was first declared under noxious weeds legislation. It now appears to have reached its full potential distribution.

It occupies disturbed or overgrazed ground, and is favoured by grazing because it is highly unpalatable to livestock. It may persist in native vegetation that has been grazed.

As biocontrol[edit]

Marrubium vulgare is also used as a natural grasshopper repellent in agriculture.

In astrology[edit]

According to John Gower in Book 7 of the Confessio Amantis, this plant was the herb of the fourth star of Nectanabus' astrology, Capella. Gower uses the older name, Alhaiot (VII:1338).

Gallery[edit]

References[edit]

  1. ^ Franz Eugen Köhler, 1897, Köhler's Medizinal-Pflanzen
  2. ^ [1]
  3. ^ [2]
  4. ^ [3]
  5. ^ Zeid Zarai, et al. "The in-vitro evaluation of antibacterial, antifungal and cytotoxic properties of Marrubium vulgare L. essential oil grown in Tunisia", "Lipids in Health and Disease, 2011; 10:161"
  6. ^ N. Mnonopi, R.-A. Levendal, N. Mzilikazi & C. L. Frost (2012). "Marrubiin, a constituent of Leonotis leonurus, alleviates diabetic symptoms". Phytomedicine 19 (6): 488–493. doi:10.1016/j.phymed.2011.12.008. PMID 22326550. 
  7. ^ Tennant, John (1727). Every Man His Own Doctor. p10. 

External links[edit]