Peumus boldus
FAMILY: Monimiaceae
SYNONYMS: Boldu boldus, Boldoa fragrans, boldus, boldu.
GENERAL DESCRIPTION: An evergreen shrub or small tree up to 6 metres high, with slender branches, sessile coarse leaves and bearing yellowish-green fruit; when dried the leaves turn a deep reddish-brown colour. The whole plant is aromatic.
DISTRIBUTION: Native to Chile; naturalized in the Mediterranean region. Some essential oil is produced in Nepal and Vietnam.
OTHER SPECIES: The Australian tree Monimia rotundifolia contains a similar oil, which has been used as a substitute. The oil of chenopodium or wormseed is also chemically related.
HERBAL/FOLK TRADITION: The bark is used for tanning, the wood utilized in charcoal making and the fruit eaten by locals. In South America it has long been recognized as a valuable cure for gonorrhoea. In Western herbalism, the dried leaves are used for genito-urinary inflammation, gallstones, liver or gall bladder pain, cystitis and rheumatism. The dried leaves are current in the British Herbal Pharmacopoeia as a specific for cholelithiasis with pain.
ACTIONS: Antiseptic, cholagogue, diaphoretic, diuretic, hepatic, sedative, tonic, urinary demulcent.
EXTRACTION: Essential oil by steam distillation of the leaves.
CHARACTERISTICS: A yellow liquid with a powerful spicy-camphoraceous, disagreeable odour.
PRINCIPAL CONSTITUENTS: Cymene, ascaridole, cineol, linalol.
SAFETY DATA: Extremely toxic. ‘The oil has powerful therapeutic effects, and it can be considered harmful to the human organism even when used in very small doses … should not be used in therapy, either internally or externally.’.
AROMATHERAPY/HOME: USE None.
OTHER USES: Used in pharmaceuticals in minute amounts for its therapeutic properties.... boldo leaf