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 knowledgeSouth America · Herb · № 980
Paullinia yoco
A woody liana of the soapberry family, related to guarana. The bark contains caffeine and theobromine; 0.1 to 3.6 percent caffeine has been measured, most in the inner bark of the stem. It is one of the few plants whose bark, rather than its seed or leaf, gives a caffeine drink.
CautionSouth America · Herb · № 907
Anadenanthera peregrina
A tree of the pea family with flat pods. The seeds contain a lot of bufotenine and also DMT and 5-MeO-DMT. As snuff they cause almost immediate muscle twitching, nausea and short visions in which things often seem very large.
CautionNorth America · Herb · № 35
Serenoa repens
Promoted for urinary symptoms of an enlarged prostate, but NCCIH concludes it probably does not help for this.
CautionSouth America · Herb · № 324
Quillaja saponaria
Traditionally attributed effects: expectorant, cleansing, anti-inflammatory.
CautionCentral America and the Caribbean · Food · № 818
Bixa orellana
The red seeds are used as a colouring and spice; traditionally also as a remedy.
CautionCentral America and the Caribbean · Herb · № 374
Amaranthus spp.
Traditionally attributed effects: flowers, leaf and root strongly antiseptic; wound healing.
CautionCentral America and the Caribbean · Food · № 265
Phaseolus vulgaris
A legume rich in protein and fibre. Raw or undercooked beans contain the toxic phytohaemagglutinin; thorough cooking is needed. Beans are otherwise mainly food, not medicine.
CautionNorth America · Herb · № 978
Umbellularia californica
An evergreen tree of the laurel family with strongly scented leaves. The leaf contains umbellulone, which causes headache when inhaled and is poisonous in large amounts.
CautionNorth America · Herb · № 34
Hydrastis canadensis
There is not enough evidence to determine whether goldenseal helps any health condition.
CautionNorth America · Herb · № 579
Larrea divaricata
Traditionally attributed effects: astringent, stimulating, cleansing, diuretic; detoxifies the liver and body, anti-inflammatory, for arthritis, strengthens bladder and kidneys, externally for haemorrhoids, boils, bedsores and bruises.
CautionCentral America and the Caribbean · Herb · № 928
Turnera diffusa
A small, woody shrub with small, strongly scented leaves and yellow flowers. Contains flavonoids such as apigenin and acacetin, terpenes and a small amount of cyanogenic glycosides. Considered mildly calming and uplifting; which substances cause this is not known.
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.
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.
CautionCentral America and the Caribbean · Herb · № 462
Cissampelos pareira
Traditionally attributed effects: mildly stomachic, bitter tonic, diuretic, dissolves stones, astringent; for intestinal complaints, indigestion, diarrhoea, prolapsed uterus, internal inflammation, urinary tract diseases, purifies the blood in skin diseases.
CautionNorth America · Herb · № 1000
Galax urceolata
A low evergreen herb of the Diapensia family with glossy, round, toothed leaves that turn bronze to wine red in winter, and in spring a slender spike of tiny white flowers. Plants in flower smell sharp, almost like a skunk. Its effect has not been studied.
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.
CautionNorth America · Herb · № 327
Rhus aromatica
Traditionally attributed effects: astringent, tonic, antidiabetic, diuretic.
CautionNorth America · Herb · № 170
Grindelia camporum
The sticky herb was traditionally used for coughs, asthma and bronchitis, and externally for poison-ivy rashes. Clinical evidence is lacking.
CautionEurope · Herb · № 112
Glechoma hederacea
Traditionally used for blocked noses, sinus complaints and coughs. There is hardly any clinical research.
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.
CautionCentral America and the Caribbean · Food · № 416
Annona squamosa
Traditionally attributed effects: astringent, tonic, expels worms, laxative, diuretic, insecticidal; unripe fruit for diarrhoea and dysentery, leaves for non-healing ulcers and fainting, seed powder against lice.
CautionEurope · Herb · № 109
Nepeta cataria
Traditionally used as a mild tea for colds, fevers, restlessness and colic. Nepetalactone from the plant is being researched as an insect repellent.
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.
CautionNorth America · Herb · № 929
Dermatophyllum secundiflorum (syn. Sophora secundiflora)
An evergreen shrub or small tree of the pea family with purple, grape-scented flowers and hard, bright red seeds. The seeds contain cytisine, a poison resembling nicotine. A single seed can be fatal.
CautionCentral America and the Caribbean · Food · № 452
Carica papaya
Traditionally attributed effects: aids digestion, expels worms, stomachic, promotes menstruation; ripe fruit mildly laxative; leaves against amoebic dysentery and fever; seeds against roundworms; promotes milk flow; unripe fruit abortifacient.
CautionNorth America · Herb · № 154
Passiflora incarnata
Used for anxiety and sleep problems. NCCIH notes some indications of an effect on anxiety but limited evidence.
CautionCentral America and the Caribbean · Herb · № 391
Maranta arundinacea
Traditionally attributed effects: absorbs moisture.
CautionCentral America and the Caribbean · Herb · № 167
Guaiacum officinale
The resin and wood were used for rheumatic complaints and gout; guaiac resin is still used in the guaiac test for blood in stool. There is no modern evidence for its classic uses.
CautionCentral America and the Caribbean · Food · № 263
Cucurbita moschata
Traditionally attributed effects: heart-warming and nourishing for body, mind and soul; good for skin and hair.
CautionAsia · Mushroom · № 146
Wolfiporia cocos
One of the most widely used remedies in Chinese medicine, for fluid retention, poor digestion and restless sleep. Clinical research on fu ling alone is scarce.
CautionNorth America · Herb · № 958
Ratibida columnifera (syn. R. columnaris)
A member of the daisy family with drooping yellow or red-brown ray flowers around a long, columnar centre that smells when bruised. Effects not studied.
CautionCentral America and the Caribbean · Herb · № 369
Smilax spp. (o.a. Smilax ornata)
The root contains saponins and was long sold as a 'blood-purifying' remedy and for skin conditions. There is no evidence that sarsaparilla treats herpes, syphilis or other infections.
CautionNorth America · Herb · № 964
Polygala senega (syn. Senega officinalis)
A low milkwort with white flower spikes. The root contains saponins that loosen phlegm and promote coughing; it is in the European Pharmacopoeia as a cough remedy.
CautionCentral America and the Caribbean · Herb · № 923
Heimia salicifolia
A shrub of the loosestrife family with narrow leaves and yellow flowers. Contains vertine (cryogenine), lyfoline and lythrine. Said to cause slight dizziness, a yellow tint over what one sees and the feeling that sounds come from far away.
CautionNorth America · Herb · № 295
Chionanthus virginicus
Traditionally attributed effects: promotes bile, stimulates the liver, tonic, diuretic.
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.