North America · Food · № 254
Blueberry
Vaccinium spp.
A fibre-rich berry with plenty of anthocyanins. Observational research links eating berries to a healthy diet; a medicinal effect has not been shown.
From Ayurveda to Rongoā Māori
Communities around the world learned how plants nourish, care and heal. Here their traditions stand beside present-day use, with respect for every culture.
North America · Food · № 254
Vaccinium spp.
A fibre-rich berry with plenty of anthocyanins. Observational research links eating berries to a healthy diet; a medicinal effect has not been shown.
North America · Herb · № 372
Sanguinaria canadensis
Traditionally attributed effects: stimulating, emetic, expectorant, restorative; part of escharotic treatment for cervical dysplasia, warms lungs/stomach/uterus, promotes coughing up.
North America · Herb · № 327
Rhus aromatica
Traditionally attributed effects: astringent, tonic, antidiabetic, diuretic.
Oceania · Herb · № 845
Phormium tenax
The gel-like sap from the leaf base is traditionally applied to wounds, burns, ulcers and grazes; the root was regarded as laxative and worm-expelling. Scientific evidence is limited.
North America · Herb · № 155
Phytolacca americana
Formerly used for swollen glands, tonsillitis and rheumatism. Because of its toxicity it is not a safe herb; there is no evidence of benefits that outweigh the risks.
Europe · Herb · № 75
Galium aparine
Used in Western herbalism as a 'lymphatic' herb for swollen glands and skin conditions. Scientific evidence is lacking.
North America · Herb · № 370
Mahonia aquifolium
Traditionally attributed effects: cleansing, purifies the blood, tonic, stimulating, supports the liver; improves appetite and digestion, promotes liver and bile secretion, purifies the blood, helps with skin problems, sudden diarrhoea and chronic constipation.
Europe · Herb · № 91
Salix alba
The bark contains salicin, which the body partly converts to salicylic acid. There are hints of a moderate effect on low back pain and joint pain.
Asia · Herb · № 535
Pandanus tectorius
Traditionally attributed effects: bitter, laxative, aromatic; leaves for leprosy, smallpox, scabies, syphilis, leucoderma; anthers for earache, headache and blood diseases; oil for headache and rheumatism.
North America · Herb · № 945
Sarracenia purpurea
A carnivorous plant with pitcher-shaped leaves that hold rainwater, in which insects drown. Little research exists on effects in people.
North America · Herb · № 824
Hierochloe odorata
A sweet-scented grass that is burned in ceremonies.
North America · Herb · № 598
Quercus alba
Traditionally attributed effects: strongly astringent; strengthens lax tissue (diarrhoea, inflamed gums, chronic nasal congestion, weak bladder), stops bleeding (nosebleeds, internal bleeding).
North America · Herb · № 986
Xanthorhiza simplicissima
A low shrub of the buttercup family, one of the few woody species in that family. Root and stem are bright yellow from berberine, a bitter substance also found in goldenseal and barberry that inhibits bacteria and fungi.
North America · Herb · № 933
Fraxinus nigra
An ash of wet ground. The wood has hardly any fibre between the growth rings, so after pounding it splits into thin strips. Medicinal effects have not been studied.
North America · Herb · № 576
Juglans nigra
Traditionally attributed effects: cleansing, laxative, astringent, antibacterial, antiparasitic, antifungal; cleanses and strengthens the large intestine, for skin problems, traveller's diarrhoea, sinusitis, underactive thyroid.
Featured · Central America and the Caribbean · Curanderismo
Salvia divinorum
A sage with large leaves containing salvinorin A, a very potent substance acting on the kappa opioid receptor. Brings short-lived, often intense changes in perception and the feeling of leaving the body.
Read moreFrom plant to use
Discover more
43 traditions
How communities built up and passed on their knowledge of plants, region by region.
113 recipes
Soups, teas and dishes in which herbs play a leading role.
146 formulas
The classical Chinese formulas, also listed by condition.