Europe · Herb · № 199
Ox-eye daisy
Leucanthemum vulgare
Young leaves are edible. In folk medicine a tea of the flowers was used for coughs and as a wash; a medicinal effect has not been studied.
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 · № 199
Leucanthemum vulgare
Young leaves are edible. In folk medicine a tea of the flowers was used for coughs and as a wash; a medicinal effect has not been studied.
Europe · Herb · № 46
Silybum marianum
Promoted for liver disorders, but there is not enough high-quality evidence of effects in people.
Europe · Herb · № 47
Crataegus monogyna, C. laevigata (en C. pinnatifida)
Studied for heart failure with conflicting results. For most conditions there is little or no good evidence.
Europe · Herb · № 96
Tanacetum parthenium
Best known for preventing migraine. NCCIH notes the evidence is conflicting: some studies find a small effect, others do not.
Europe · Herb · № 335
Stachys palustris
Traditionally attributed effects: antiseptic, antispasmodic, wound-healing.
Europe · Herb · № 110
Gnaphalium uliginosum
An astringent herb traditionally used as a gargle for sore throats and inflamed upper airways. There is no clinical research.
Europe · Herb · № 71
Filipendula ulmaria
Contains salicylates. Traditionally used for heartburn, an irritated stomach and joint pain. Clinical research is scarce.
Europe · Herb · № 291
Vitex agnus-castus
Traditionally attributed effects: stimulates the pituitary gland and hormone production.
Europe · Herb · № 314
Pilosella officinarum (syn. Hieracium pilosella)
Traditionally attributed effects: antispasmodic, expectorant, anticatarrhal, diuretic, wound-healing.
Europe · Herb · № 3
Mentha × piperita
Peppermint oil has been studied in irritable bowel syndrome and may reduce abdominal pain. The tea is used for a full stomach and nausea. With heartburn peppermint can make complaints worse.
Europe · Herb · № 380
Salvia sclarea
The essential oil is used in relaxing baths and massages. A small study pointed to a relaxing effect when inhaled; the evidence is limited.
Europe · Herb · № 198
Narcissus spp.
Daffodils are ornamental plants; the bulbs are poisonous and are sometimes mistaken for onions. Galantamine, a drug for Alzheimer's disease, is extracted from the related snowdrop and from daffodils.
Europe · Herb · № 235
Euphrasia officinalis
Traditionally attributed effects: anticatarrhal, antiseptic, anti-inflammatory.
Europe · Food · № 362
Olea europaea
Olive oil is the basis of the Mediterranean diet, which is associated with a lower risk of cardiovascular disease. Olive leaf extract is sold as a remedy for infections and high blood pressure; the evidence for this is limited and there is no evidence that it treats flu or other viral infections.
Europe · Herb · № 217
Origanum vulgare
A culinary herb with carvacrol and thymol, which inhibit bacteria and fungi in the laboratory. There is no good evidence that oregano oil treats infections in humans; undiluted oil irritates skin and mucous membranes.
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.
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.
Europe · Food · № 244
Pyrus communis
A fibre-rich fruit with sorbitol, which is mildly laxative. In Chinese medicine pear (li) is cooked with rock sugar for a dry cough; no effect is described for other uses.
Europe · Herb · № 219
Petroselinum crispum
A culinary herb rich in vitamins C and K. Root and seed were used as a diuretic. Large amounts of seed or oil are toxic and can induce contractions.
Europe · Herb · № 590
Mentha pulegium
Traditionally attributed effects: stimulating, astringent, promotes menstruation, induces sweating; brings on delayed menstruation, calms the stomach, lowers sudden high fever.
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.
Europe · Food · № 251
Prunus domestica
Prunes contain fibre and sorbitol and help with constipation; there is some research on this.
Europe · Herb · № 299
Geranium robertianum
Traditionally attributed effects: astringent, stops bleeding.
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.
Europe · Herb · № 89
Rosa spp.
Rose hips are rich in vitamin C; a hip powder has been studied for osteoarthritis with modest results. Rose water and oil are used in skin care and as fragrance.
Europe · Herb · № 2
Salvia rosmarinus (syn. Rosmarinus officinalis)
An aromatic culinary herb with carnosic acid and rosmarinic acid. A few small studies point to a slight effect of the scent on alertness; that it improves memory has not been shown. The leaf is used for digestive complaints.
Europe · Herb · № 366
Rhodiola rosea
Roseroot is sold as an adaptogen for tiredness and stress. Some studies find a small effect on stress-related fatigue, but they are small and of varying quality. There is no evidence that it prevents colds.
Europe · Herb · № 45
Salvia officinalis
A culinary herb. A few small studies suggest possible effects on memory and blood lipids, but evidence is limited.
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.
Europe · Herb · № 91
Salix alba
The bark contains salicin, which the body partly converts to salicylic acid. There are hints of a moderate effect on low back pain and joint pain.
Europe · Food · № 61
Apium graveolens
Vegetable and spice. The seed was traditionally used for gout, joint complaints and as a diuretic. Convincing clinical evidence is lacking.
Europe · Herb · № 204
Syringa vulgaris
An ornamental shrub with fragrant flowers. The flowers are edible but bitter; the bark was once tried as a bitter remedy for fever.
Europe · Herb · № 43
Hypericum perforatum
Research suggests it may help mild to moderate depression; evidence for other uses is insufficient.
Europe · Herb · № 95
Symphytum officinale
Topical preparations have been studied for bruises, sprains and back pain and appear to reduce pain. It contains allantoin, which is thought to support tissue repair.
Europe · Herb · № 318
Ficaria verna (syn. Ranunculus ficaria)
Traditionally attributed effects: astringent, used for haemorrhoids.
Europe · Food · № 833
Triticum spelta
A grain for bread and porridge; nutritionally similar to wheat.
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.