Tanacetum vulgare
FAMILY: Asteraceae (Compositae)
SYNONYMS: Chrysanthemum vulgare, C. tanacetum, buttons, bitter buttons, bachelor’s buttons, scented fern, cheese.
GENERAL DESCRIPTION: A hardy perennial wayside herb, up to 1 metre high with a smooth stem, dark ferny leaves and small, round, brilliant yellow flowers borne in clusters. The whole plant is strongly scented.
DISTRIBUTION: Native to central Europe; naturalized in North America and now found in most temperate regions of the world. The essential oil is mainly produced in France, Germany, Hungary, Poland and the USA.
OTHER SPECIES: Closely related to the medicinal herb feverfew (Tanacetum parthenium), the marigolds and daisy family.
HERBAL/FOLK TRADITION: Traditionally used to flavour eggs and omelettes. It has a long history of medicinal use, especially among gypsies, and is regarded as something of a ‘cure all’. It was used to expel worms, to treat colds and fever, prevent possible miscarriage and ease dyspepsia and cramping pains. Externally, the distilled water was used to keep the complexion pale, and the bruised leaves employed as a remedy for scabies, bruises, sprains and rheumatism. It was also used generally for nervous disorders and to keep flies and vermin away.
The flowers are still current in the British Herbal Pharmacopoeia as a specific (used externally) for worms in children.
ACTIONS: Anthelmintic, anti-inflammatory, antispasmodic, carminative, diaphoretic, digestive, emmenagogue, febrifuge, nervine, stimulant, tonic, vermifuge.
EXTRACTION: Essential oil by steam distillation from the whole herb (aerial parts).
CHARACTERISTICS: A yellow, olive or orange liquid (darkening with age) with a warm, sharp spicy herbaceous odour.
PRINCIPAL CONSTITUENTS: Thujone (66–81 per cent), camphor, borneol, among others.
SAFETY DATA: Oral toxin – poisonous due to high thujone content. Abortifacient.
AROMATHERAPY/HOME: USE None. ‘Should not be used in aromatherapy whether internally or externally.’.
OTHER USES: Occasionally used in herbaceous-type perfumes. The oil used to be used in alcoholic drinks – it is no longer used for flavouring.... tansy