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 · № 903
Lophophora williamsii
A small, spineless, blue-green cactus with a long taproot. Contains mescaline and over thirty other alkaloids. After a few hours mescaline brings colourful visions that last up to half a day, often after a phase of nausea and vomiting.
CautionNorth America · Herb · № 946
Chimaphila umbellata
A low, evergreen dwarf shrub with leathery leaves and pink nodding flowers. Contains arbutin and related compounds, like bearberry.
CautionNorth 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.
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 · № 956
Artemisia frigida
A low, silver-grey, strongly scented wormwood shrub. Contains a volatile oil with camphor and cineole and, like other wormwoods, thujone.
CautionNorth America · Herb · № 960
Lithospermum incisum (syn. L. linearifolium)
A member of the borage family with yellow trumpet-shaped flowers and a red root, related to Chinese gromwell (zi cao). Effects not studied.
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.
CautionNorth America · Herb · № 584
Eutrochium purpureum (syn. Eupatorium purpureum)
Traditionally attributed effects: diuretic, strengthens the nerves, astringent, stimulating, antiseptic; dissolves kidney and bladder stones, removes mineral deposits in joints, traditionally to prevent miscarriage and to prepare for childbirth.
CautionNorth America · Herb · № 941
Angelica atropurpurea
A tall umbellifer with a purple stem, related to European garden angelica. Contains essential oil and furanocoumarins, which make the skin sensitive to sunlight.
CautionNorth America · Herb · № 989
Pseudognaphalium obtusifolium (syn. Gnaphalium obtusifolium)
An annual, grey-felted herb of the daisy family, with straw-coloured flower heads that keep their shape when dried. The dried herb smells sweet. Flavonoids and essential oil have been found in it; its effect is little studied.
CautionSouth 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.
CautionNorth 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.
CautionNorth America · Herb · № 323
Ulmus rubra (syn. U. fulva)
Traditionally attributed effects: soothing, nourishing, astringent.
CautionEurope · Herb · № 99
Trifolium pratense
Contains isoflavones (plant oestrogens) and is sold for menopausal symptoms. NCCIH concludes there is no convincing evidence that it reduces hot flushes.
CautionNorth America · Herb · № 975
Oxalis oregana
A low wood sorrel with large clover-like leaves and white or pink flowers, forming carpets under the trees. The leaf tastes sour from oxalic acid.
CautionNorth America · Herb · № 594
Polygonatum biflorum
Traditionally attributed effects: tonic, astringent, relaxing; strengthens and lubricates tendons, ligaments and joints, helps with prolapse of the uterus and bladder, calms the heart rhythm, moistens dry conditions (dry skin, stool, airways).
CautionNorth America · Herb · № 633
Sassafras albidum
Traditionally attributed effects: expels wind, dampness and cold in joint complaints, also when heat is involved, moves the blood in stasis after trauma or in absent menstruation, and is used for itchy skin.
CautionNorth 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.
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.
CautionNorth America · Herb · № 943
Symplocarpus foetidus
A marsh arum that flowers in late winter and makes its own heat, melting its way through the snow. It smells of carrion and contains calcium oxalate.
CautionNorth America · Herb · № 286
Eschscholzia californica
Traditionally attributed effects: pain-relieving, sleep-inducing, calming.
CautionNorth America · Herb · № 295
Chionanthus virginicus
Traditionally attributed effects: promotes bile, stimulates the liver, tonic, diuretic.
CautionNorth America · Herb · № 998
Oxydendrum arboreum
A tree of the heath family with drooping sprays of white, bell-shaped flowers in summer and fiery red autumn leaves. The leaves taste sour, hence the name. From the flowers bees make a light, much-prized honey.
CautionNorth America · Herb · № 953
Collinsonia canadensis
A perennial of the mint family with lemon-scented leaves and a very hard, knobbly root. Eclectic physicians used it for piles and varicose veins; research is lacking.
CautionCentral 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.
CautionNorth America · Food · № 979
Notholithocarpus densiflorus
An evergreen tree of the beech family, between oak and chestnut. The acorns are nourishing but bitter with tannins, which must first be leached out.
CautionNorth 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.
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.
CautionNorth America · Herb · № 947
Epigaea repens
A creeping, evergreen dwarf shrub of the heath family with fragrant pink to white flowers in early spring. Contains arbutin.
CautionNorth America · Herb · № 938
Trillium spp. (o.a. Trillium erectum en T. grandiflorum)
Spring flowers with three leaves, three sepals and three petals. The rhizome contains saponins. Clinical research is lacking.
CautionNorth 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.
CautionNorth 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.
CautionNorth America · Herb · № 294
Chamaelirium luteum
Traditionally attributed effects: diuretic, uterine tonic, emetic.
CautionNorth America · Herb · № 824
Hierochloe odorata
A sweet-scented grass that is burned in ceremonies.
CautionNorth America · Food · № 937
Fragaria virginiana
A wild strawberry with small, very tasty fruits. Its cross with the Chilean strawberry gave rise to the garden strawberry in eighteenth-century Europe.
CautionNorth America · Herb · № 581
Veronicastrum virginicum
Traditionally attributed effects: laxative, stimulating, supports the liver, promotes bile; decongests liver and gallbladder, for gallbladder pain and jaundice.
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.