Europe · Food · № 48
Stinging nettle
Urtica dioica
A food and fiber plant with a long tradition in folk medicine. Medical 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.
Europe · Food · № 48
Urtica dioica
A food and fiber plant with a long tradition in folk medicine. Medical claims are not established.
Europe · Herb · № 105
Viola tricolor
Traditionally used for skin conditions such as eczema and cradle cap, and for coughs. There is little clinical research.
Europe · Herb · № 107
Teucrium chamaedrys
Formerly used as a digestive bitter, for gout and as a slimming aid. The risk of liver damage outweighs any possible benefit.
Europe · Food · № 90
Rubus idaeus
The fruit is a nutritious berry. Raspberry leaf has been used in folk medicine in late pregnancy to ease labour; convincing evidence is lacking.
Europe · Herb · № 87
Primula veris
The root contains saponins and is traditionally used to loosen phlegm in coughs; the flowers as a calming tea. There is some research on combination cough preparations.
Europe · Herb · № 112
Glechoma hederacea
Traditionally used for blocked noses, sinus complaints and coughs. There is hardly any clinical research.
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 · № 92
Scrophularia nodosa (en S. ningpoensis)
Used in Western herbalism for skin conditions such as eczema and psoriasis and for swollen glands. There is no good clinical evidence.
Europe · Food · № 68
Brassica oleracea
A vegetable rich in vitamin C and fibre. In folk medicine cold cabbage leaves are placed on engorged breasts or painful joints; small studies give mixed results.
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 · № 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 · № 179
Digitalis purpurea
Contains cardiac glycosides that slow the heart rate and strengthen its contractions. They gave rise to the drugs digoxin and digitoxin, still prescribed for certain heart rhythm disorders and heart failure. The margin between an effective and a toxic amount is very small.
Europe · Herb · № 94
Stellaria media
Traditionally used externally as a cooling ointment or compress for itching, eczema and minor skin irritation. There is hardly any clinical research.
Europe · Herb · № 58
Alchemilla xanthochlora
An astringent herb used in folk medicine mainly for heavy periods and diarrhoea. There is little clinical research.
Europe · Herb · № 86
Plantago major
The leaf is traditionally bruised and applied to insect bites, small wounds and grazes, and taken as tea for coughs. Clinical evidence is limited.
Europe · Food · № 84
Malus domestica
A fruit rich in fibre such as pectin; grated apple is an old home remedy for mild diarrhoea. No specific medicinal effect has been proven.
Central America and the Caribbean · Food · № 166
Persea americana
A fruit rich in monounsaturated fats, fibre and potassium; it fits a diet that is favourable for cholesterol. Avocado oil is used in skin care.
Europe · Herb · № 67
Borago officinalis
The seed oil, rich in gamma-linolenic acid, has been studied for eczema and joint inflammation with mixed results. The leaf was traditionally used to reduce fever and as a tonic.
Europe · Food · № 270
Allium schoenoprasum
A mild onion herb with vitamin C and sulphur compounds. A medicinal effect has not been shown.
Africa · Herb · № 26
Agathosma betulina
Fragrant leaves used as a flavoring and in folk medicine; clinical evidence for treatment is lacking.
Central America and the Caribbean · Herb · № 161
Capsicum frutescens
Capsaicin from chilli peppers is used externally for nerve pain and joint pain; high-dose capsaicin patches are an approved medicine. Internally it is mainly a warming spice.
Europe · Herb · № 56
Achillea millefolium
Traditionally used to stop bleeding from minor wounds, for fevers and colds, and as a digestive bitter. Clinical evidence is limited.
Oceania · Herb · № 172
Eucalyptus globulus
Eucalyptus oil is used for coughs and blocked noses with colds and externally for muscle pain; the European Medicines Agency recognises these as traditional uses. Strong clinical evidence is limited.
Europe · Herb · № 49
Calendula officinalis
An edible flower historically used as medicine and dye. Its oil is widely used in skin products.
Europe · Herb · № 60
Angelica archangelica
An aromatic bitter traditionally used for bloating, poor appetite and colds. Clinical evidence is limited.
Europe · Food · № 196
Corylus avellana
The nuts are nourishing and rich in unsaturated fats and vitamin E. Hazelnut oil is a light oil for the skin; a medicinal effect has not been shown.
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.
Europe · Food · № 256
Prunus avium
A fruit rich in vitamin C. The dried stalks were used in folk medicine as a diuretic. Sour cherries have been studied for gout and sleep, with preliminary results.
Africa · Food · № 12
Allium sativum
A food with a long history of use. Supplement research suggests only limited effects and does not establish a treatment.
Europe · Herb · № 44
Lavandula angustifolia
A fragrant plant used in bath products, perfume, and aromatherapy. Evidence for medical effects is preliminary.
Central America and the Caribbean · Food · № 266
Zea mays
Traditionally attributed effects: diuretic, heals the urinary tract lining, tonic, soothing.
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.
Central America and the Caribbean · Herb · № 212
Pimenta dioica
The dried berries contain eugenol, like cloves, and give a warm flavour. In Caribbean folk medicine they are used for stomach ache and wind; research is lacking.
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 · № 45
Salvia officinalis
A culinary herb. A few small studies suggest possible effects on memory and blood lipids, but evidence is limited.
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.
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.