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
CautionAsia · Herb · № 474
Croton tiglium
Traditionally attributed effects: drastically laxative, irritant, skin-irritant; for stroke, insanity, convulsions, stubborn constipation, worms, ascites, oedema, colic, gout; wood in small doses induces sweating.
CautionAsia · Herb · № 430
Baliospermum montanum
Traditionally attributed effects: seeds strongly laxative, externally stimulating and skin-irritant; root for oedema and jaundice, leaves for asthma, oil for rheumatism, antiseptic, for snake bites.
CautionCentral America and the Caribbean · Herb · № 481
Datura metel
Traditionally attributed effects: narcotic, pain-relieving, antispasmodic (like belladonna); compress for rheumatic swellings, lumbago, sciatica, nerve pain, painful tumours; leaves and seeds for asthma and whooping cough; liniment for painful menstruation.
CautionEurope · Herb · № 107
Teucrium chamaedrys
Formerly used as a digestive bitter, for gout and as a slimming aid. The risk of liver damage outweighs any possible benefit.
CautionEurope · Mushroom · № 115
Boletus edulis, Cantharellus cibarius, Morchella esculenta, Pleurotus ostreatus
A prized edible mushroom with protein, fibre and minerals. Medicinal claims are unproven.
CautionCentral America and the Caribbean · Herb · № 460
Dysphania ambrosioides (syn. Chenopodium ambrosioides)
A strong-smelling culinary herb traditionally used against intestinal worms and wind. The essential oil contains ascaridole, which kills worms but is also toxic to humans.
CautionOceania · Herb · № 172
Eucalyptus globulus
Eucalyptus oil is used for coughs and blocked noses with colds and externally for muscle pain; the European Medicines Agency recognises these as traditional uses. Strong clinical evidence is limited.
CautionSouth America · Herb · № 876
Brugmansia spp. (o.a. B. arborea, B. sanguinea)
A shrub or small tree with large hanging trumpet flowers. All parts contain tropane alkaloids such as scopolamine and atropine, which cause confusion and hallucinations.
CautionAsia · Herb · № 778
Momordica cochinchinensis
Traditionally attributed effects: externally for inflamed sores, breast abscesses and bruises.
CautionEurope · Herb · № 104
Viburnum opulus en V. prunifolium
The bark is traditionally used for muscle cramps and period pain; its English name is cramp bark. Clinical evidence is lacking.
CautionAsia · Herb · № 468
Colchicum luteum
Traditionally attributed effects: cleansing, carminative, laxative, aphrodisiac; for gout, rheumatism, liver and spleen diseases; externally against inflammation and pain.
CautionNorth America · Herb · № 182
Gelsemium sempervirens
Contains alkaloids such as gelsemine that act on the nervous system. In the 19th century it was used for nerve pain, migraine and fever, but its toxicity makes any use dangerous. Homeopathic gelsemium is so diluted that it contains no active substance.
CautionAsia · Herb · № 700
Daphne genkwa
Traditionally attributed effects: was used as a strong fluid-draining remedy in chronic fluid accumulation in chest and abdomen.
CautionEurope · Herb · № 836
Conium maculatum
A deadly poisonous member of the carrot family. Its poison, coniine, paralyses the muscles, including those used for breathing.
CautionAsia · Herb · № 472
Crinum defixum
Traditionally attributed effects: emetic, induces sweating, laxative; leaves for whitlow, inflamed toes and fingers, joints and sprains; leaf juice for ear complaints; bulb for bile complaints, urinary complaints and rheumatism.
CautionEurope · Herb · № 333
Lactuca virosa
Traditionally attributed effects: calming, lowers blood sugar, sleep-inducing, suppresses libido.
CautionAfrica · Herb · № 536
Peganum harmala
Traditionally attributed effects: cleansing, antipyretic, stimulating, promotes menstruation; against tapeworm, intermittent fever and chronic malaria, pain-relieving in asthma, colic, jaundice; promotes milk and menstruation; gargle for sore throat; against head lice.
CautionNorth America · Herb · № 987
Euonymus americanus
A shrub of the spindle family, up to two metres tall. In autumn the warty pink fruits burst open to show seeds in a bright red aril. Seeds and fruits are strongly purgative, as in other spindles, and the genus is considered poisonous.
CautionAfrica · Herb · № 909
Tabernanthe iboga
A shrub of the dogbane family up to ten metres tall. The root bark contains ibogaine and about ten other alkaloids. In small amounts stimulating; in large amounts a dreamlike state with visions that lasts for days.
CautionNorth America · Herb · № 307
Lobelia inflata
Traditionally attributed effects: relaxing, expectorant, induces sweating, emetic, antispasmodic, anti-asthmatic.
Asia · Herb · № 427
Atropa acuminata
Traditionally attributed effects: narcotic, calming, diuretic, antispasmodic, dilates the pupils, pain-relieving; antidote in opium and mushroom poisoning, smoked for cramps, externally for rheumatism, nerve pain and lumbago.
CautionAsia · Herb · № 451
Cannabis indica
Traditionally attributed effects: intoxicating, stomachic, antispasmodic, pain-relieving, stimulating, aphrodisiac, calming; sleep-inducing, for painful menstruation, itchy skin diseases, headache, mania, whooping cough, asthma, nervous vomiting.
CautionAsia · Herb · № 400
Aconitum ferox
Traditionally attributed effects: in very small doses induces sweating, diuretic, pain-relieving, fever-reducing; for nerve pain, muscular rheumatism, gout, sore throat, colds, paralysis; highly poisonous in larger doses.
CautionAsia · Herb · № 423
Aristolochia indica
Traditionally attributed effects: tonic, stimulating, promotes menstruation, antidote, anti-arthritic; against snake, insect and scorpion bites, intestinal complaints in children, cholera, diarrhoea, intermittent fever.
CautionAsia · Herb · № 566
Urginea indica
Traditionally attributed effects: in small doses expectorant, stimulates the heart, diuretic, decongestant, promotes menstruation; in large doses emetic and laxative.
CautionSouth America · Herb · № 983
Iochroma fuchsioides
A shrub of the nightshade family with clusters of tubular orange-red flowers. Withanolides, substances also found in ashwagandha, have been isolated from it. Why the plant acts as an intoxicant has not been explained.
CautionNorth America · Herb · № 942
Arisaema triphyllum
An arum with a green or striped hood over the spadix. All parts contain needle-shaped crystals of calcium oxalate, which raw cause a fiercely burning mouth and swelling.
CautionCentral America and the Caribbean · Herb · № 309
Piscidia piscipula
Traditionally attributed effects: calming, pain-relieving.
CautionCentral America and the Caribbean · Herb · № 514
Ipomoea nil
Traditionally attributed effects: strongly laxative, expels worms; for constipation, substitute for jalap root.
CautionAsia · Herb · № 402
Acorus calamus
Traditionally attributed effects: carminative, tonic, stimulating; restores throat and voice (singers), improves concentration/clear thinking, for flatulence and heartburn.
CautionAsia · Herb · № 521
Mallotus philippensis
Traditionally attributed effects: laxative, expels worms (specifically tapeworm), astringent; ointment for ringworm, scabies, herpes and parasitic skin diseases, leprosy rash, syphilitic ulcers.
CautionAsia · Other · № 141
Cinnamomum camphora
Used externally in rubs for muscle pain, itching and blocked noses; it gives a cooling, numbing feeling. There is some evidence of short-term relief.
Asia · Herb · № 699
Euphorbia kansui
Traditionally attributed effects: was used as a very strong fluid-draining purgative for fluid in chest and abdomen.
CautionNorth 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.
CautionEurope · Herb · № 100
Tussilago farfara
One of the oldest cough herbs; the leaf contains soothing mucilage. Because of its toxic alkaloids it is now advised against.
CautionCentral America and the Caribbean · Herb · № 455
Cassia occidentalis
Traditionally attributed effects: laxative, fever-reducing, diuretic, antipyretic; root as an antidote and for fever and nerve pain, cramps in hysteria, flatulence; seeds for cough and whooping cough.
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.