Asia · Food · № 16
Green tea
Camellia sinensis
A brewed tea. Evidence does not establish most health claims; extracts differ from the ordinary beverage.
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.
Asia · Food · № 16
Camellia sinensis
A brewed tea. Evidence does not establish most health claims; extracts differ from the ordinary beverage.
North America · Food · № 962
Astragalus crassicarpus
A low legume with purple-pink flowers and thick, round pods that lie on the ground like small plums. Only the young pods are edible.
Europe · Herb · № 62
Arctium lappa
In Europe the root was considered a 'blood-cleansing' herb for skin problems such as eczema and acne; the seed is used in Chinese medicine for sore throats. Clinical evidence is weak.
Oceania · Herb · № 174
Pittosporum spp.
Leaves, seeds or wood were steeped in hot water and drunk or used externally, for example for colds, coughs, eczema and cramps. Laboratory research points to antimicrobial compounds; clinical studies are lacking.
Europe · Food · № 66
Avena sativa
Oat flakes provide beta-glucan, a fibre that according to approved health claims can help maintain normal cholesterol. Oatmeal is also used in baths for dry, itchy skin. Its traditional role as a nerve tonic is unproven.
South America · Herb · № 895
Tagetes minuta
A tall, strongly scented marigold with small flower heads. Its essential oil is used in perfume and soft drinks.
Asia · Herb · № 127
Lonicera japonica en L. periclymenum
The flower buds (jin yin hua) are an important 'cooling' herb in Chinese medicine for fever, sore throats and colds. There is plenty of laboratory research but few good clinical studies.
Central America and the Caribbean · Herb · № 514
Ipomoea nil
Traditionally attributed effects: strongly laxative, expels worms; for constipation, substitute for jalap root.
North America · Other · № 384
Simmondsia chinensis
The liquid wax from the seeds resembles the sebum of human skin and is quickly absorbed. It is used for dry skin and hair; medical claims have been little studied.
Oceania · Food · № 53
Terminalia ferdinandiana
A bush food with exceptionally high vitamin C, measured at 2,300–3,150 mg per 100 grams.
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 · Other · № 382
Laminaria spp. / Ascophyllum nodosum
Brown seaweeds are rich in iodine and alginate. They are used in scrubs and as food supplements; too much iodine can disrupt the thyroid.
Asia · Herb · № 830
Kaempferia galanga
An aromatic rhizome used in jamu for coughs, tiredness and muscle pain.
Oceania · Herb · № 843
Cordyline fruticosa
A plant with large leaves, used in Hawaiʻi for fever and headache and to wrap food.
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 · 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.
Asia · Herb · № 136
Pueraria montana var. lobata
The root (ge gen) is used in Chinese medicine for fever, stiff neck and thirst. Small studies have looked at kudzu for reducing alcohol use, with mixed results.
Asia · Food · № 653
Dimocarpus longan
Traditionally attributed effects: a sweet, warming tonic for heart and blood; good for digestion and calming.
Asia · Food · № 131
Nelumbo nucifera
Almost every part is used: seeds for diarrhoea and restlessness, rhizome as food, leaf for 'summer heat'. Scientific evidence is mostly laboratory research.
South America · Food · № 32
Lepidium meyenii
A root crop eaten as food. Claims about fertility and energy are unproven.
Asia · Herb · № 727
Magnolia officinalis
Traditionally attributed effects: makes qi descend, dries dampness and resolves food stagnation and phlegm.
Central America and the Caribbean · Food · № 266
Zea mays
Traditionally attributed effects: diuretic, heals the urinary tract lining, tonic, soothing.
Oceania · Herb · № 847
Sphaeropteris medullaris
The slimy pith and sap of this black tree fern were traditionally used on sores and wounds, and for diarrhoea.
Asia · Food · № 730
Citrus reticulata
Traditionally attributed effects: the ripe peel (chen pi) moves the qi of spleen and lung and dissolves phlegm; the green peel (qing pi) moves liver qi.
South America · Herb · № 851
Aristotelia chilensis
A shrub with dark purple berries rich in anthocyanins. The leaf was traditionally used for wounds and sore throats. Health claims for 'superfood' products are unproven.
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.
South America · Herb · № 816
Minthostachys mollis
A mint-like plant used in the Andes for stomach complaints and wind.
Asia · Food · № 358
Vigna radiata
Traditionally attributed effects: light and easily digestible, sattvic (calm in the head); for fever, ulcers and blood disorders; khichadi with takra for 7–10 days as a cleansing cure; soap substitute makes the skin soft.
South America · Herb · № 864
Ugni molinae
A shrub of the myrtle family with fragrant red berries. Mainly a food plant; the leaf was used as an astringent.
South America · Herb · № 865
Gunnera tinctoria
A giant plant with leaves up to two metres across. The peeled stalks are edible; root and stalks are rich in tannins.
Oceania · Food · № 50
Morinda citrifolia
Traditionally used for colds, infections, fever, and stomach complaints. There is no good evidence of treatment effects.
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.
North America · Herb · № 974
Malus fusca
A small apple tree with small, sour, oval apples and very tough wood. The bark contains tannins.
South America · Herb · № 898
Myroxylon balsamum (var. pereirae)
A large tree whose resin, the balsam, smells of vanilla and cinnamon. The balsam contains cinnamic acid, benzyl benzoate and vanillin, among other compounds, and is used in perfume, food and ointments for skin and wounds.
South America · Herb · № 860
Cryptocarya alba
An evergreen tree of the laurel family with fragrant leaves and edible red fruits. Traditionally for liver and joint complaints; research is lacking.
Central America and the Caribbean · Herb · № 391
Maranta arundinacea
Traditionally attributed effects: absorbs moisture.
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.