North America · Herb · № 955
American licorice
Glycyrrhiza lepidota
A legume with long, tough, sweet roots, related to true licorice. The root tastes of licorice; it contains less glycyrrhizin than Glycyrrhiza glabra.
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 · № 955
Glycyrrhiza lepidota
A legume with long, tough, sweet roots, related to true licorice. The root tastes of licorice; it contains less glycyrrhizin than Glycyrrhiza glabra.
North America · Herb · № 1001
Platanus occidentalis
One of the largest broadleaf trees of eastern America, with a trunk that peels in patches of white, green and brown. The bark contains tannins and betulinic acid. It is a parent of the London plane of European streets.
Asia · Herb · № 562
Terminalia arjuna
Traditionally attributed effects: strengthens the heart, astringent, dissolves stones, diuretic; for heart disease (angina, heart failure, pericarditis), high blood pressure, bleeding, diarrhoea, dysentery, sprue, bile complaints, oedema, cirrhosis of the liver; antidote.
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.
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.
North America · Herb · № 987
Euonymus americanus
A shrub of the spindle family, up to two metres tall. In autumn the warty pink fruits burst open to show seeds in a bright red aril. Seeds and fruits are strongly purgative, as in other spindles, and the genus is considered poisonous.
Asia · Herb · № 432
Barringtonia acutangula
Traditionally attributed effects: aromatic, carminative, emetic; for nasal and respiratory catarrh, chest pain, headache (snuff), diarrhoea and dysentery, bitter tonic; root cooling and antipyretic.
Oceania · Herb · № 840
Centipeda cunninghamii
A small herb traditionally used for colds, skin complaints and inflammation.
North America · Herb · № 999
Impatiens capensis
An annual, juicy herb with orange, spotted flowers. Ripe seed pods burst open when touched and shoot the seeds away, hence the names touch-me-not and jewelweed. The sap contains saponins and naphthoquinones; one study found it can prevent a poison ivy rash after short exposure, though washing with soap works at least as well.
South America · Herb · № 888
Equisetum giganteum
A large horsetail, rich in silica. Traditionally used as a diuretic, like European field horsetail; good evidence is lacking.
North America · Herb · № 967
Alnus rubra
A fast-growing alder with smooth grey bark that turns red after cutting. The bark is rich in tannins and astringent.
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.
Central America and the Caribbean · Herb · № 819
Nicotiana rustica
A ceremonial plant of many Indigenous peoples of the Americas. Tobacco is addictive and harmful to health.
North America · Herb · № 190
Thuja occidentalis
Traditionally attributed effects: expels worms, astringent, antimicrobial, anti-inflammatory, stimulates muscles, antiseptic.
North America · Food · № 965
Zizania palustris (en Z. aquatica)
An aquatic grass, not true rice. The long, dark grain contains more protein and fibre than white rice.
North America · Herb · № 986
Xanthorhiza simplicissima
A low shrub of the buttercup family, one of the few woody species in that family. Root and stem are bright yellow from berberine, a bitter substance also found in goldenseal and barberry that inhibits bacteria and fungi.
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.