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.
GrapeFolk magic and herbal magic
BuchuLocal African healing traditions
Indian tobaccoCherokee medicine
Lignum vitaeHerbal knowledge of the Caribbean
Yerba mateKallawaya healing knowledge
CautionNorth America · Herb · № 152
Hamamelis virginiana
Strongly astringent due to tannins. Witch hazel water and ointment are used externally for minor skin irritation, bruises and haemorrhoids; there is limited but reasonably supportive evidence.
CautionAsia · Herb · № 210
Tulipa spp.
An ornamental flower. The petals are edible; the bulbs were eaten in times of need but can cause eczema on contact ('tulip fingers'). In Persian poetry the red tulip stands for love and martyrdom.
CautionAsia · Food · № 240
Allium cepa
Traditionally attributed effects: stimulating, diuretic, expectorant, skin-irritant, aphrodisiac, antiseptic; for cough, haemorrhoids, jaundice, indigestion, insect bites, boils, wounds, chilblains and sore joints.
CautionEurope · Herb · № 20
Valeriana officinalis
The root has a traditional association with sleep and calm. Research on insomnia is inconsistent and does not establish benefit.
CautionEurope · Herb · № 114
Arnica montana
Used externally for bruises and muscle aches. Studies give mixed results. Homeopathic arnica is so diluted that it contains no active substance.
CautionEurope · Herb · № 230
Potentilla reptans
The tannin-rich herb was used as a mouthwash and for diarrhoea. A medicinal effect has not been studied.
CautionEurope · Food · № 83
Linum usitatissimum
Ground flaxseed acts as a gentle bulk-forming fibre for constipation. NCCIH reports it may lower cholesterol slightly; evidence for other claims is unclear.
CautionEurope · Food · № 21
Sambucus nigra
Berries have a folk-use history for cold and flu symptoms; clinical evidence remains preliminary.
CautionEurope · Herb · № 86
Plantago major
The leaf is traditionally bruised and applied to insect bites, small wounds and grazes, and taken as tea for coughs. Clinical evidence is limited.
CautionNorth America · Herb · № 190
Thuja occidentalis
Traditionally attributed effects: expels worms, astringent, antimicrobial, anti-inflammatory, stimulates muscles, antiseptic.
CautionEurope · Herb · № 242
Ruta graveolens
Traditionally attributed effects: antiseptic, stimulating, promotes menstruation, expectorant, antispasmodic, expels worms (children); strengthens capillaries (rutin); for hysteria, flatulence and colic, incipient paralysis, indigestion; oil diuretic and skin-irritant.
CautionAsia · Herb · № 18
Glycyrrhiza glabra
A root with long use in several traditions; high-quality evidence does not support most health claims.
CautionEurope · Herb · № 187
Quercus robur
The bark contains a lot of tannins and is astringent. It is used as a decoction for diarrhoea, as a mouthwash for inflamed gums and as a sitz bath for haemorrhoids.
CautionNorth America · Herb · № 209
Helianthus annuus
Sunflower seeds and oil are rich in vitamin E and linoleic acid. The oil is used for dry skin; claims about scars or skin ageing have not been shown.
CautionAsia · Herb · № 135
Piper nigrum
Important warming spices in Ayurveda, used for sluggish digestion and colds. Piperine from pepper increases the absorption of some substances, such as curcumin.
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.
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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.