Africa · Other · № 28
Myrrh
Commiphora myrrha
A gum resin with a long history in medicine, ritual, perfume, and incense. Modern treatment claims are not established.
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.
Africa · Other · № 28
Commiphora myrrha
A gum resin with a long history in medicine, ritual, perfume, and incense. Modern treatment claims are not established.
Asia · Herb · № 39
Azadirachta indica
Used for centuries in traditional medicine in India, but there is insufficient clinical evidence of medical benefits.
Oceania · Food · № 50
Morinda citrifolia
Traditionally used for colds, infections, fever, and stomach complaints. There is no good evidence of treatment effects.
South America · Herb · № 227
Tropaeolum majus
Leaves and flowers taste sharp because of mustard oil glycosides. In Germany a combination with horseradish is approved as a remedy for bladder and respiratory infections; there is little research on the plant alone.
North America · Herb · № 154
Passiflora incarnata
Used for anxiety and sleep problems. NCCIH notes some indications of an effect on anxiety but limited evidence.
South America · Herb · № 165
Handroanthus impetiginosus (syn. Tabebuia avellanedae)
The inner bark is sold for fungal infections, inflammation and as a 'cancer remedy'. There is no reliable human evidence; its active compound lapachol proved too toxic at effective doses.
South America · Herb · № 898
Myroxylon balsamum (var. pereirae)
A large tree whose resin, the balsam, smells of vanilla and cinnamon. The balsam contains cinnamic acid, benzyl benzoate and vanillin, among other compounds, and is used in perfume, food and ointments for skin and wounds.
South America · Herb · № 1009
Ephedra americana
A leafless shrub with green, jointed stems, related to the Chinese ma huang. Ephedra species contain ephedrine, which widens the airways but also raises heart rate and blood pressure; how much this species contains has been little studied.
Central America and the Caribbean · Herb · № 822
Schinus molle
A tree with aromatic leaves and pink berries, used in cleansing rituals and as a folk remedy.
North America · Herb · № 192
Populus tremuloides
Traditionally attributed effects: astringent, fever-reducing, tonic, anti-inflammatory, pain-relieving (salicylates); restores the sensitive bladder (incontinence), calms the bowels in stress diarrhoea, heals wounds, lowers fever, relieves headache.
North America · Herb · № 956
Artemisia frigida
A low, silver-grey, strongly scented wormwood shrub. Contains a volatile oil with camphor and cineole and, like other wormwoods, thujone.
North 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.
North America · Herb · № 954
Pulsatilla nuttalliana (syn. P. patens subsp. multifida)
A low plant of the buttercup family with hairy purple flowers that appear before the leaves. Like other pasqueflowers, the fresh plant contains protoanemonin, which strongly irritates skin and mucous membranes and raises blisters.
Europe · Food · № 264
Allium ampeloprasum var. porrum
A vegetable with fibre, vitamin K and sulphur compounds, related to onion and garlic. Leek soup is an old home remedy for colds and hoarseness.
South America · Herb · № 915
Krameria lappacea (syn. Krameria triandra)
A low shrub that is partly parasitic on the roots of other plants. The red root is rich in tannins and is therefore astringent. In Europe rhatany root is listed in the pharmacopoeia and used in mouthwashes and gum remedies.
Asia · Mushroom · № 690
Calvatia gigantea (en Lasiosphaera fenzlii)
Traditionally attributed effects: cools lung fire in sore throat and hoarseness; the spore powder stops bleeding externally.
South America · Herb · № 888
Equisetum giganteum
A large horsetail, rich in silica. Traditionally used as a diuretic, like European field horsetail; good evidence is lacking.
North America · Herb · № 967
Alnus rubra
A fast-growing alder with smooth grey bark that turns red after cutting. The bark is rich in tannins and astringent.
North America · Herb · № 323
Ulmus rubra (syn. U. fulva)
Traditionally attributed effects: soothing, nourishing, astringent.
Asia · Herb · № 140
Santalum album
Used in Ayurveda as a 'cooling' remedy for skin irritation and urinary complaints; the oil is used in aromatherapy. Clinical evidence is limited.
North America · Herb · № 976
Hypericum scouleri (syn. H. formosum var. scouleri)
A native St John's wort with yellow, black-dotted flowers, related to common St John's wort. Like it, it contains hypericin and hyperforin.
North 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.
Central 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.
Europe · Herb · № 43
Hypericum perforatum
Research suggests it may help mild to moderate depression; evidence for other uses is insufficient.
North America · Herb · № 286
Eschscholzia californica
Traditionally attributed effects: pain-relieving, sleep-inducing, calming.
North America · Herb · № 295
Chionanthus virginicus
Traditionally attributed effects: promotes bile, stimulates the liver, tonic, diuretic.
South America · Herb · № 164
Hebanthe eriantha (syn. Pfaffia paniculata)
Sold as 'Brazilian ginseng' and an adaptogen for fatigue. There is hardly any human research.
Central America and the Caribbean · Herb · № 819
Nicotiana rustica
A ceremonial plant of many Indigenous peoples of the Americas. Tobacco is addictive and harmful to health.
Africa · Food · № 560
Tamarindus indica
Traditionally attributed effects: ripe fruit sour, cooling, carminative, laxative, antiscorbutic, promotes bile; for inflamed swellings, bilious vomiting, conjunctivitis (flowers), bleeding haemorrhoids, throat complaints, ulcers, paralysis (bark), gonorrhoea (ash).
Oceania · Other · № 22
Melaleuca alternifolia
An essential oil for external use. Limited research suggests possible effects for acne or athlete’s foot; evidence is preliminary.
North America · Herb · № 171
Oenothera biennis
The seed oil contains gamma-linolenic acid and is sold for eczema, premenstrual symptoms and hot flushes. NCCIH reports it does not help eczema and that evidence for other conditions is insufficient.
Europe · Herb · № 98
Thymus vulgaris
Traditionally used for coughs and bronchitis; thymol from the oil inhibits bacteria and fungi in the laboratory. There are some studies of thyme-based cough syrups.
South America · Herb · № 892
Parastrephia quadrangularis (syn. Lepidophyllum quadrangulare, P. lepidophylla)
A resinous shrub up to two metres tall with small, scale-like leaves; typical of the dry high plateau.
Asia · Herb · № 497
Ficus racemosa
Traditionally attributed effects: astringent, carminative, stomachic, kills worms, lowers blood sugar; wound rinse, for dysentery, bile complaints, haemorrhoids, diarrhoea, mouth ulcers, heavy menstruation, coughing up blood, sore throat, diabetes.
North America · Herb · № 993
Liriodendron tulipifera
The tallest broadleaf tree of eastern America, up to almost sixty metres, of the magnolia family, with tulip-shaped greenish-yellow flowers with an orange patch. The bark is bitter and contains the alkaloid liriodenine and sesquiterpenes that inhibit bacteria and fungi; it was formerly used as a tonic and quinine substitute. The flowers give much nectar for a dark honey.
Asia · 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.
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.