North America · Herb · № 966
Devil's club
Oplopanax horridus
An ivy-like shrub with large, hand-shaped leaves and spines over the whole stem and the leaf veins. Research into a blood-sugar-lowering effect is at an early stage.
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.
North America · Herb · № 966
Oplopanax horridus
An ivy-like shrub with large, hand-shaped leaves and spines over the whole stem and the leaf veins. Research into a blood-sugar-lowering effect is at an early stage.
South America · Herb · № 918
Nectandra spp. (en verwante laurierachtigen, o.a. Ocotea en Aiouea)
Trees of the laurel family with fragrant seeds and bark. Little is known about the substances in the seeds and their effect in people.
South America · Herb · № 880
Petiveria alliacea
A herb with a strong garlic smell. It has been studied for anti-inflammatory and antimicrobial effects; clinical evidence is lacking.
South America · Herb · № 1012
Colletia spinosissima
A thorny shrub with green thorns set crosswise and hardly any leaves. It lives together with nitrogen-fixing Frankia bacteria. The bark contains saponins; little has been studied about its effect in people.
South America · Herb · № 900
Schoenocaulon officinale
A lily-like plant with highly poisonous seeds containing alkaloids such as veratridine and cevadine. Pharmacists around the world made louse treatments and insecticides from them.
Central America and the Caribbean · Food · № 818
Bixa orellana
The red seeds are used as a colouring and spice; traditionally also as a remedy.
Europe · Herb · № 277
Bistorta officinalis (syn. Polygonum bistorta)
Traditionally attributed effects: astringent, stops diarrhoea and bleeding, anticatarrhal.
Europe · Herb · № 57
Agrimonia eupatoria
An astringent, tannin-rich herb traditionally used for diarrhoea, sore throats and minor wounds. Good human research is lacking.
Europe · Herb · № 79
Inula helenium
The root is traditionally used for productive coughs and bronchitis; it is rich in inulin. Clinical evidence is limited.
Europe · Herb · № 63
Artemisia absinthium
One of the most bitter herbs; traditionally used to stimulate appetite and digestion and against intestinal worms. Clinical evidence is limited.
South America · Herb · № 896
Ambrosia peruviana
An aromatic, hairy ragweed. In its native range it is used as a painkilling, anti-inflammatory, deworming and antiseptic remedy; good research is lacking.
Asia · Food · № 223
Prunus dulcis
Traditionally attributed effects: sweet almond soothing, stimulating, nourishing, strengthens the nerves; bitter almond soothing, laxative, calming in cough.
North America · Herb · № 932
Tilia americana
A large broadleaf tree with heart-shaped leaves and fragrant flowers, related to the European lime. The flowers contain mucilage and flavonoids. The wood is soft and easy to carve; the inner bark gives strong fibre.
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.
North America · Herb · № 573
Abies balsamea
Traditionally attributed effects: stimulating, antiseptic, pain-relieving; for respiratory infections, cough and sore throat, cystitis and enteritis, aid to quitting smoking; externally for burns, wounds, haemorrhoids, muscle pain.
Africa · Herb · № 8
Ocimum basilicum
Traditionally used as an aromatic food plant and in herbal preparations.
North America · Herb · № 224
Monarda didyma
The fragrant leaf contains thymol and is drunk as tea. Indigenous peoples used it for colds, fever and headache; studies in humans are lacking.
Asia · Herb · № 123
Citrus × aurantium
The dried unripe fruit (zhi shi) and peel are used in Chinese medicine for bloating and sluggish digestion. NCCIH warns that weight-loss products containing bitter orange (synephrine) pose risks to the heart and blood pressure.
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.
North America · Herb · № 991
Cornus florida
A small tree with large white bracts around a knot of tiny flowers in spring, red berries and red autumn leaves. The bark is astringent and bitter; in the American Civil War it served as a substitute for quinine, and in the laboratory compounds from the bark moderately inhibited the malaria parasite. The berries are poisonous to people.
North America · Herb · № 931
Tsuga canadensis
An evergreen conifer with short, flat needles. The bark is rich in tannins and was once used to tan leather. Medicinal effects have not been studied.
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 · № 890
Baccharis latifolia (en verwante soorten, o.a. B. pentlandii)
A fast-growing, densely branched shrub with glossy, sticky leaves. Little is known from research about its effect in people.
Europe · Herb · № 233
Cupressus sempervirens
Traditionally attributed effects: antiseptic, antispasmodic, calming, diuretic.
Asia · Food · № 221
Citrus limon
Traditionally attributed effects: anti-inflammatory, antihistamine, diuretic, strengthens the veins.
South America · Herb · № 378
Aloysia citrodora
Traditionally attributed effects: relaxing, helps you fall asleep.
North America · Herb · № 579
Larrea divaricata
Traditionally attributed effects: astringent, stimulating, cleansing, diuretic; detoxifies the liver and body, anti-inflammatory, for arthritis, strengthens bladder and kidneys, externally for haemorrhoids, boils, bedsores and bruises.
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.
North America · Herb · № 189
Pinus spp.
The scent of needles and resin is experienced as fresh and cleansing. Pine buds and needles contain essential oil and vitamin C; a medicinal effect has hardly been studied.
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 · № 56
Achillea millefolium
Traditionally used to stop bleeding from minor wounds, for fevers and colds, and as a digestive bitter. Clinical evidence is limited.
Central America and the Caribbean · Herb · № 820
Artemisia ludoviciana
A bitter, aromatic herb used in Mexico for stomach ache and digestive complaints.
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 · 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.
Asia · Herb · № 1
Zingiber officinale
Traditionally used for nausea and digestive discomfort; it has a warming flavor.
Europe · Herb · № 88
Prunella vulgaris
In Europe an old wound herb and gargle for sore throats; in Chinese medicine used for 'heat' and swollen glands. Research is mostly laboratory work.
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.