Europe · Herb · № 70
Field horsetail
Equisetum arvense
Rich in silica; traditionally used as a diuretic, for urinary infections and for hair, nails and connective tissue. Good clinical evidence is lacking.
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 · № 70
Equisetum arvense
Rich in silica; traditionally used as a diuretic, for urinary infections and for hair, nails and connective tissue. Good clinical evidence is lacking.
Europe · Herb · № 69
Capsella bursa-pastoris
Traditionally used to slow bleeding, such as heavy periods or nosebleeds. Clinical evidence is very limited.
Europe · Herb · № 112
Glechoma hederacea
Traditionally used for blocked noses, sinus complaints and coughs. There is hardly any clinical research.
Europe · Herb · № 77
Humulus lupulus
The cones are traditionally used for restlessness and sleep problems, often with valerian. There are hints of a mild sedative effect, but evidence is limited.
Europe · Herb · № 78
Hyssopus officinalis
Traditionally used for coughs, colds and congestion. Clinical evidence is lacking.
Europe · Herb · № 234
Ulmus spp.
The inner bark of the European elm is, like that of the American slippery elm, mucilaginous and was used for skin complaints and diarrhoea. There is little research.
Europe · Other · № 308
Chondrus crispus
Traditionally attributed effects: soothing, expectorant, against vomiting, nourishing.
North America · Herb · № 307
Lobelia inflata
Traditionally attributed effects: relaxing, expectorant, induces sweating, emetic, antispasmodic, anti-asthmatic.
North America · Herb · № 994
Gillenia trifoliata (syn. Porteranthus trifoliatus)
A perennial of the rose family with three-parted leaves and loose sprays of white or pale pink flowers with five narrow petals. The root is emetic and purgative; it was listed in the United States Pharmacopeia as American ipecac.
South 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.
Central America and the Caribbean · Herb · № 309
Piscidia piscipula
Traditionally attributed effects: calming, pain-relieving.
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.
South America · Herb · № 981
Justicia pectoralis (syn. Dianthera pectoralis)
A low, creeping herb of the acanthus family. The dried leaf smells strongly of hay because of coumarin and umbelliferone. Reports of tryptamines in the plant have not been confirmed.
North America · Herb · № 970
Lomatium nudicaule (in Boas: Peucedanum)
An umbellifer with blue-green leaves and yellow umbels. The seeds are strongly aromatic; related lomatiums are being studied for antiviral effects.
Asia · Herb · № 402
Acorus calamus
Traditionally attributed effects: carminative, tonic, stimulating; restores throat and voice (singers), improves concentration/clear thinking, for flatulence and heartburn.
Europe · Herb · № 19
Matricaria chamomilla (Duitse kamille)
Flowers are used in teas and topical or oral products. Reliable evidence is insufficient for most claimed conditions.
South America · Herb · № 33
Uncaria tomentosa
There is no conclusive scientific evidence that cat's claw helps any health condition.
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.
Oceania · Herb · № 7
Piper methysticum
The drink slightly numbs the mouth and tongue and is relaxing. Research points to a modest effect on anxiety, but results vary and the safety of supplements is disputed.
Africa · Herb · № 116
Ammi visnaga
Contains khellin, a muscle relaxant that widens the airways and blood vessels. Khellin was the basis for modern drugs such as cromoglicate (for asthma) and amiodarone (for heart rhythm disorders).
Europe · Herb · № 312
Vinca minor
Traditionally attributed effects: astringent, promotes circulation, improves blood flow to the brain.
North America · Herb · № 990
Asclepias tuberosa
A milkweed with bright orange flower umbels that attract many butterflies, and a thick, tuberous root. For a milkweed it contains few cardiac glycosides, but it does contain steroids that in larger amounts can cause weakness, seizures and eye damage. The root was listed in the United States Pharmacopeia as pleurisy root, an expectorant.
Europe · Herb · № 271
Eupatorium cannabinum
Traditionally attributed effects: hemp agrimony fever-reducing, diuretic, laxative, promotes bile, expectorant, stimulates the immune system; boneset induces sweating, antispasmodic; gravel root soothing diuretic, antirheumatic, promotes menstruation.
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 · № 292
Centaurea cyanus
Traditionally attributed effects: tonic, stimulating, anti-inflammatory.
Asia · Herb · № 920
Mitragyna speciosa
A tree of the coffee family up to twenty-five metres tall with large, glossy leaves. The leaves contain mitragynine and, in smaller amounts, 7-hydroxymitragynine, which act on the opioid receptors. For many people a little leaf is stimulating, more leaf sedating and pain-relieving.
Europe · Herb · № 338
Rumex crispus
Traditionally attributed effects: strongly laxative, promotes bile, cleansing.
Central America and the Caribbean · Herb · № 319
Picrasma excelsa
Traditionally attributed effects: expels worms, bitter.
Europe · Herb · № 6
Levisticum officinale
The leaf tastes of stock and celery. In folk medicine the root was used as a diuretic and for bloating; research is lacking.
Europe · Herb · № 206
Convallaria majalis
Traditionally attributed effects: heart tonic, diuretic, laxative, emetic.
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.
Europe · Herb · № 226
Tilia × europaea
Traditionally attributed effects: calming nerve remedy, induces sweating, vasodilating, restores the vessel walls, lowers blood pressure.
Europe · Herb · № 211
Viola odorata
Traditionally attributed effects: V. odorata anti-inflammatory, expectorant, diuretic, antitumour; V. tricolor expectorant, anti-inflammatory, diuretic, antirheumatic, laxative, strengthens capillaries.
Europe · Herb · № 113
Marrubium vulgare
A bitter herb traditionally used for coughs with sticky phlegm and bronchitis. In Europe it is recognised as a traditional herbal medicine; clinical evidence is limited.
Oceania · Herb · № 273
Leptospermum scoparium en Kunzea ericoides
Traditionally attributed effects: astringent, antimicrobial, antiseptic, expels worms (leptospermone); for ulcers, infections and fever.
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.