Europe · Food · № 10
Bergamot
Citrus bergamia
The peel yields bergamot oil, a fragrance in perfume and Earl Grey tea. The oil contains bergapten, which makes the skin sensitive to sunlight. Health claims are not well 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 · Food · № 10
Citrus bergamia
The peel yields bergamot oil, a fragrance in perfume and Earl Grey tea. The oil contains bergapten, which makes the skin sensitive to sunlight. Health claims are not well studied.
Africa · Herb · № 812
Hypoxis hemerocallidea
A corm widely traded as a tonic. The evidence for its effects is weak.
South America · Herb · № 873
Luma apiculata
The Chilean myrtle, with cinnamon-coloured bark, fragrant leaves and edible black berries. Traditionally an astringent; research is lacking.
South America · Herb · № 869
Haplopappus baylahuen
A resinous shrub of the daisy family. A well-known Chilean tea for liver and bowel complaints; an effect has not been proven.
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 · Herb · № 93
Betonica officinalis (syn. Stachys officinalis)
Traditionally used for tension headaches and nervousness. Modern clinical research is lacking.
South America · Herb · № 889
Grimolobium pubescens (syn. Otholobium pubescens, Psoralea pubescens)
A shrub of the pea family with leaves in threes. It contains bakuchiol, among other compounds; extracts lowered blood sugar in experiments with mice. Studies in people are lacking.
Europe · Mineral · № 9
Magnesium sulphate. In sufficient amounts it acts as a laxative because it holds water in the bowel. In a bath it is used to relax muscles; that magnesium is absorbed through the skin has not been shown.
South America · Herb · № 282
Peumus boldus
Traditionally attributed effects: stimulates the liver, diuretic.
Europe · Food · № 48
Urtica dioica
A food and fiber plant with a long tradition in folk medicine. Medical claims are not established.
Africa · Herb · № 26
Agathosma betulina
Fragrant leaves used as a flavoring and in folk medicine; clinical evidence for treatment is lacking.
North America · Herb · № 288
Frangula purshiana (syn. Rhamnus purshiana)
Traditionally attributed effects: laxative, digestive tonic.
South America · Herb · № 1002
Escallonia resinosa (en verwante soorten, o.a. E. micrantha)
A shrub or tree of 2 to 10 metres with reddish, papery bark and small, finely toothed leaves full of resin and essential oil. Almost nothing has been studied about its effect in people.
South America · Herb · № 862
Fuchsia magellanica
The wild fuchsia, with drooping red and purple flowers. Traditionally as a diuretic and for fever; research is lacking.
South America · Herb · № 867
Fragaria chiloensis
A wild strawberry with large, fragrant fruits, one of the parents of the garden strawberry. The leaf contains tannins.
South America · Herb · № 861
Laurelia sempervirens
A tall evergreen tree with strongly scented leaves and wood. Traditionally for headache and as a diuretic; research is lacking.
South America · Herb · № 894
Mutisia acuminata
A climbing shrub with tendrils and striking orange-red flowers. Quercetin and arbutin are among the compounds found in it; its effect in people has not been studied.
South America · Herb · № 926
Brunfelsia grandiflora
A shrub of the nightshade family up to three metres tall, with fragrant flowers that fade from purple to white. Contains scopoletin, among others, and compounds that cause convulsions in animals. Gives a feeling of cold and tingling, and in larger amounts dizziness and paralysis.
Asia · Herb · № 124
Chrysanthemum × morifolium
The flowers (ju hua) are used in Chinese medicine as a 'cooling' remedy for colds with fever, headaches and tired, red eyes. Clinical evidence is limited.
Europe · Herb · № 85
Melissa officinalis
Traditionally used for restlessness, sleep problems and a nervous stomach; externally for cold sores. Small studies suggest a mild calming effect, but evidence is limited.
South America · Herb · № 378
Aloysia citrodora
Traditionally attributed effects: relaxing, helps you fall asleep.
South America · Herb · № 856
Grimolobium glandulosum (syn. Otholobium glandulosum, Psoralea glandulosa)
A shrub of the pea family with glandular, fragrant leaves. Traditionally used for digestive complaints, diarrhoea and on wounds; good research is lacking.
South America · Herb · № 1006
Perezia multiflora (en verwante soorten)
A low, prickly herb with toothed leaves and yellow or white flower heads. Contains phenols, flavonoids and saponins; in the laboratory the leaf inhibits some bacteria. Research in people is limited.
Asia · Herb · № 1
Zingiber officinale
Traditionally used for nausea and digestive discomfort; it has a warming flavor.
North America · Herb · № 170
Grindelia camporum
The sticky herb was traditionally used for coughs, asthma and bronchitis, and externally for poison-ivy rashes. Clinical evidence is lacking.
Asia · Food · № 16
Camellia sinensis
A brewed tea. Evidence does not establish most health claims; extracts differ from the ordinary beverage.
South America · Herb · № 879
Ilex guayusa
A relative of yerba mate; the leaf contains a lot of caffeine and is stimulating.
South America · Herb · № 881
Gentianella alborosea (en G. nitida)
A small, very bitter herb of the gentian family. It is sold for liver, gallbladder and cholesterol complaints and for weight loss; good research is lacking.
South America · Herb · № 1010
Chuquiraga spinosa (en C. rotundifolia)
A prickly shrub with hard, pointed little leaves and orange-yellow flower heads. Contains phenolic acids, flavonoids, saponins and alkaloids; animal studies point to an anti-inflammatory and antioxidant effect.
North America · Herb · № 307
Lobelia inflata
Traditionally attributed effects: relaxing, expectorant, induces sweating, emetic, antispasmodic, anti-asthmatic.
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 · № 1004
Cantua buxifolia
A much-branched shrub of 2 to 3 metres with clusters of tubular flowers in red, pink, yellow or white, pollinated by hummingbirds and bees. Little is known about its effect in people.
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.
Oceania · Herb · № 23
Piper excelsum
In rongoā Māori the leaf is used for toothache, skin complaints, wounds and bladder and kidney complaints. It contains myristicin among other compounds; clinical evidence for these uses is lacking.
Africa · Herb · № 806
Combretum micranthum
The leaves are drunk as an everyday tea; traditionally also for fever and digestive complaints. Little studied scientifically.
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.