Prunella (plant)

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Prunella
File:Prunella vulgaris - harilik käbihein.jpg
Prunella vulgaris (Common Self-heal)
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Lamiales
Family:
Lamiaceae
Genus:
Prunella
Synonyms[1]
  • Brunella Mill.
  • Prunellopsis Kudô

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Prunella is a genus of herbaceous plants in the family Lamiaceae, also known as self-heals, heal-all, or allheal for their use in herbal medicine.

Habitat

Most are native to Europe, Asia, and North Africa, but Prunella vulgaris (the Common Self-heal) is Holarctic in distribution, occurring in North America as well, and is a common lawn weed. Self-heals are low-growing plants, and thrive in moist wasteland and grass, spreading rapidly to cover the ground. They are members of the mint family and have the square stem common to mints.[1][2][3]

Biological descriptions

The common name "self-heal" derives from the use of some species to treat a range of minor disorders. Self-heal can be grown from seed, or divide clumps in spring or autumn.

Species[1]
  1. Prunella albanica Pénzes - Albania
  2. Prunella × bicolor Beck - parts of Europe (P. grandiflora × P. laciniata)
  3. Prunella × codinae Sennen - Spain (P. hyssopifolia × P. laciniata)
  4. Prunella cretensis Gand. - Crete
  5. Prunella × gentianifolia Pau - Spain (P. hyssopifolia × P. vulgaris)
  6. Prunella grandiflora (L.) Scholler - central + southern Europe from Caucasus to Russia; Caucasus
  7. Prunella hyssopifolia L. - Spain, France, Italy, Morocco
  8. Prunella × intermedia Link - central + southwestern Europe (P. laciniata × P. vulgaris)
  9. Prunella laciniata (L.) L - central + southern Europe, North Africa, Middle East
  10. Prunella orientalis Bornm. - Turkey, Syria
  11. Prunella prunelliformis (Maxim.) Makino - Japan
  12. Prunella × surrecta Dumort. - central + southwestern Europe (P. grandiflora × P. vulgaris)
  13. Prunella vulgaris L. - widespread in Europe, North Africa, Asia, North America; naturalized in New Zealand parts of South America

Uses

Traditional medicine

Dried Prunella
Traditional Chinese 夏枯草
Simplified Chinese 夏枯草

In the Pacific Northwest, its juice was used by the Quinault and the Quileute on boils.[citation needed] They also used the whole plant to treat cuts and inflammations.[citation needed] Ointments can be made by fixing the plant with grease. Dried Prunella (Chinese: 夏枯草) is used to make a herbal drink.

Food uses

The mildly bitter leaves are also good as salad greens. Prunella species are used as food plants by the larvae of some Lepidoptera species including Coleophora albitarsella.

As a health supplement

Prunella vulgaris is also used as an ingredient in some bodybuilding supplements as for its antiestrogenic activity - for which an efficacy has been demonstrated only in mice.[4]

Scientific study

Lua error in package.lua at line 80: module 'strict' not found. While most of the traditional uses are clinically untested and of unknown efficacy, Prunella vulgaris has been shown to have pharmacological effects in vitro and in some animal models as an antioxidant, immune stimulant, viral replication inhibitor and an anti-inflammatory agent.[5][6][7][8][9][10] P. vulgaris and P. asiatica have shown some anti-(lung)cancer activity in vitro.[11]

References

  1. ↑ 1.0 1.1 1.2 Kew World Checklist of Selected Plant Families
  2. ↑ Flora of China Vol. 17 Page 134 夏枯草 xia ku cao Prunella vulgaris Linnaeus, Sp. Pl. 2: 600. 1753.
  3. ↑ Altervista Flora Italiana, genere Prunella includes photos plus range maps for Europe + North America
  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Immune modulatory effects of Prunella vulgaris L. Int J Mol Med. 2005 Mar;15(3):491-6.
  6. ↑ A polysaccharide fraction from medicinal herb Prunella vulgaris downregulates the expression of herpes simplex virus antigen in Vero cells. J Ethnopharmacol. 2004 Jul;93(1):63-8.
  7. ↑ Phenolics-rich extracts from Silybum marianum and Prunella vulgaris reduce a high-sucrose diet induced oxidative stress in hereditary hypertriglyceridemic rats. Pharmacol Res. 2004 Aug;50(2):123-30.
  8. ↑ Biological activities of Prunella vulgaris extract. Phytother Res. 2003 Nov;17(9):1082-7.
  9. ↑ Anti-allergic and anti-inflammatory triterpenes from the herb of Prunella vulgaris. Planta Med. 2000 May;66(4):358-60.
  10. ↑ Inhibition of immediate-type allergic reactions by Prunella vulgaris in a murine model. Immunopharmacol Immunotoxicol. 2001 Aug;23(3):423-35.
  11. ↑ Feng L, Jia XB, Jiang J, Zhu MM, Chen Y, Tan XB, Shi F"Combination of active components enhances the efficacy of Prunella in prevention and treatment of lung cancer." Molecules. 2010 Nov;15(11):7893-906
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