Europe · Herb · № 81
Juniper
Juniperus communis
The berries are traditionally used as a diuretic, for digestive complaints and externally for joint pain. Clinical evidence is limited.
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.
Europe · Herb · № 81
Juniperus communis
The berries are traditionally used as a diuretic, for digestive complaints and externally for joint pain. Clinical evidence is limited.
North America · Herb · № 940
Eutrochium purpureum en E. maculatum (syn. Eupatorium)
Tall, purple-pink flowering plants of the daisy family, related to European hemp agrimony. They may contain pyrrolizidine alkaloids, which damage the liver with long use.
Asia · Herb · № 402
Acorus calamus
Traditionally attributed effects: carminative, tonic, stimulating; restores throat and voice (singers), improves concentration/clear thinking, for flatulence and heartburn.
North 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.
Europe · 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.
Europe · Herb · № 75
Galium aparine
Used in Western herbalism as a 'lymphatic' herb for swollen glands and skin conditions. Scientific evidence is lacking.
Europe · 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.
Europe · Herb · № 102
Verbascum thapsus
Leaves and flowers contain mucilage and are traditionally used for irritating coughs and bronchitis; the flower oil for earache. Clinical evidence is limited.
Europe · Herb · № 338
Rumex crispus
Traditionally attributed effects: strongly laxative, promotes bile, cleansing.
North America · Herb · № 949
Hepatica nobilis (incl. H. americana en H. acutiloba)
An early spring flower of the buttercup family with three-lobed leaves. Fresh, the plant contains irritating compounds.
Central America and the Caribbean · Food · № 266
Zea mays
Traditionally attributed effects: diuretic, heals the urinary tract lining, tonic, soothing.
Europe · Herb · № 97
Taraxacum officinale
The leaf is mildly diuretic; the bitter root was used for the liver and digestion. NCCIH notes there is little human research.
North America · Herb · № 326
Mitchella repens
Traditionally attributed effects: stimulates the uterus, tonic, restorative, astringent, diuretic.
Europe · Food · № 259
Daucus carota
Traditionally attributed effects: stimulating, diuretic, tonic, carminative; expels kidney and bladder stones, relieves lower back pain from the kidneys, reduces oedema, restores the bladder, stimulates digestion; seed traditionally as a contraceptive.
North America · Herb · № 946
Chimaphila umbellata
A low, evergreen dwarf shrub with leathery leaves and pink nodding flowers. Contains arbutin and related compounds, like bearberry.
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.
Asia · Food · № 689
Portulaca oleracea
Traditionally attributed effects: cools the blood in dysentery and painful urination; externally for ulcers and insect bites.
North 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.
North America · Food · № 936
Allium tricoccum
A wild leek with broad leaves and a small bulb, related to European wild garlic. Leaves and bulb taste of onion and garlic.
North America · Herb · № 323
Ulmus rubra (syn. U. fulva)
Traditionally attributed effects: soothing, nourishing, astringent.
Europe · 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.
North America · Herb · № 368
Ceanothus americanus
Traditionally attributed effects: astringent, antispasmodic, expectorant, calming; for a swollen spleen (e.g. after glandular fever), cools and constricts blood vessels in bleeding and congestion of the uterus, liver and lymph.
North 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.
Asia · Herb · № 666
Equisetum hyemale
Traditionally attributed effects: expels wind-heat around the eyes, stops bleeding and is diuretic.
Europe · Herb · № 595
Rumex acetosella
Traditionally attributed effects: induces sweating, diuretic, fever-reducing, stops bleeding; traditionally for cancer (ingredient of Essiac tea), relieves 'hot' conditions (fever, thirst, inflammation), boils, transient jaundice.
North America · Food · № 935
Carya ovata
A nut tree of the walnut family, with bark that peels away in long strips. The nuts are rich and sweet.
Europe · Herb · № 43
Hypericum perforatum
Research suggests it may help mild to moderate depression; evidence for other uses is insufficient.
North 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.
North 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.
North America · Herb · № 168
Zanthoxylum americanum
Bark and berries give a tingling, numbing feeling in the mouth; they were traditionally used for toothache, poor circulation and rheumatism. Clinical research is lacking.
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.
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.
North 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.
North 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.
North 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.
North 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.
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.