Europe · Other · № 74
Bladderwrack
Fucus vesiculosus
A brown seaweed rich in iodine; formerly used for an underactive thyroid and for weight loss. Weight-loss claims are unproven.
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 · Other · № 74
Fucus vesiculosus
A brown seaweed rich in iodine; formerly used for an underactive thyroid and for weight loss. Weight-loss claims are unproven.
Central America and the Caribbean · Food · № 825
Cnidoscolus aconitifolius
A nutritious leaf vegetable of the Maya.
North America · Herb · № 940
Eutrochium purpureum en E. maculatum (syn. Eupatorium)
Tall, purple-pink flowering plants of the daisy family, related to European hemp agrimony. They may contain pyrrolizidine alkaloids, which damage the liver with long use.
South America · Herb · № 870
Fabiana imbricata
A small shrub of the nightshade family that looks like a conifer. Traditionally for bladder and urinary complaints and for digestion; laboratory research points to a stomach-protecting effect.
North America · Herb · № 946
Chimaphila umbellata
A low, evergreen dwarf shrub with leathery leaves and pink nodding flowers. Contains arbutin and related compounds, like bearberry.
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.
Europe · Food · № 253
Fragaria × ananassa
The garden strawberry is a fruit rich in vitamin C. The leaf of the related wild strawberry was drunk as tea for mild diarrhoea; no medicinal effect is described for the garden strawberry itself.
Central America and the Caribbean · Food · № 818
Bixa orellana
The red seeds are used as a colouring and spice; traditionally also as a remedy.
North America · Herb · № 988
Aplectrum hyemale
An orchid with a single leaf, green with silvery-white stripes, that appears in late autumn and withers in spring. Underground lie two or more corms joined together, an old one and a new one. The crushed corms yield a sticky mucilage.
Europe · Herb · № 277
Bistorta officinalis (syn. Polygonum bistorta)
Traditionally attributed effects: astringent, stops diarrhoea and bleeding, anticatarrhal.
Africa · Herb · № 812
Hypoxis hemerocallidea
A corm widely traded as a tonic. The evidence for its effects is weak.
Asia · Herb · № 540
Premna obtusifolia
Traditionally attributed effects: strengthens the heart, stomachic, carminative, cleansing, tonic, anti-inflammatory, lowers blood sugar; for swellings, pain and diabetes; part of 'dashamula'.
Europe · Herb · № 57
Agrimonia eupatoria
An astringent, tannin-rich herb traditionally used for diarrhoea, sore throats and minor wounds. Good human research is lacking.
Asia · Herb · № 340
Trachyspermum ammi
Traditionally attributed effects: stimulating, carminative, tonic, aromatic, antispasmodic, antiseptic; for flatulence, indigestion, colic, diarrhoea, cholera, intestinal cramps; source of thymol; against worms.
Asia · Herb · № 705
Akebia trifoliata (en A. quinata)
Traditionally attributed effects: drains heat via the urine in painful urination, mouth ulcers and restlessness; promotes milk flow.
Europe · Herb · № 523
Mentha arvensis
Traditionally attributed effects: aromatic, carminative, stimulating, antispasmodic, promotes menstruation, antiseptic, stomachic, cooling, diuretic; leaf juice for diarrhoea and dysentery, tea for rheumatism and indigestion.
Asia · Herb · № 739
Imperata cylindrica
Traditionally attributed effects: cools the blood and stops bleeding; promotes urination and cools lung and stomach.
Asia · Herb · № 376
Medicago sativa
Traditionally attributed effects: calming and moisture-restoring for dry skin.
Africa · Herb · № 4
Aloe vera
The gel from the leaf is used externally to soothe the skin and for minor burns. Research on wound healing gives mixed results; the gel is no substitute for wound care.
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.
Central America and the Caribbean · Herb · № 374
Amaranthus spp.
Traditionally attributed effects: flowers, leaf and root strongly antiseptic; wound healing.
North America · Herb · № 826
Podophyllum peltatum
A poisonous plant whose resin, podophyllin, was once used as a laxative. Now only used in the form of medicines against warts.
North America · Herb · № 992
Liquidambar styraciflua
A tall tree with star-shaped leaves, splendid autumn colours and spiky round seed balls. When the bark is wounded a fragrant resin, American storax, seeps out; for centuries it has gone into ointments, perfume and incense. The resin is mildly antiseptic.
North America · Herb · № 996
Cunila origanoides
A low, woody plant of the mint family with small purple flowers in late summer that smells of oregano and mint. The leaf contains essential oil. On the first frosty nights the stems split and ice ribbons grow out of them, which gave it the name frost mint.
North America · Herb · № 628
Asarum caudatum, A. canadense en verwante soorten
Traditionally attributed effects: expels wind-cold, opens a blocked nose, warms the lung in cough with clear phlegm and expels cold and dampness in menstrual pain and other pain.
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.
North America · Herb · № 593
Lysichiton americanus
Traditionally attributed effects: strengthens the nerves, stimulating, antispasmodic, induces sweating, expectorant; opens the lungs and reduces cough and bronchial spasms (acute asthma), ointment against ringworm, relieves muscle and joint pain.
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 · № 678
Phellodendron amurense
Traditionally attributed effects: drains damp heat from the lower body and cools heat from kidney yin deficiency.
South America · Food · № 250
Ananas comosus
Traditionally attributed effects: fever-reducing, cleansing, bitter tonic; ripe fruit diuretic, induces sweating, cooling, digests protein; leaf laxative and expels worms; unripe fruit strongly diuretic, promotes menstruation and abortifacient.
Asia · Herb · № 414
Andrographis paniculata
Traditionally attributed effects: stomachic, tonic, fever-reducing, cleansing, expels worms, promotes bile; for flatulence, lack of appetite, intestinal complaints in children, diarrhoea, dysentery, sluggish liver, nerve pain, recovery after fever.
Europe · Herb · № 197
Dianthus spp.
The clove pink has fragrant, edible petals. In Chinese medicine the related Dianthus superbus (qu mai) is used for bladder infections; no medicinal effect is described for the garden carnation.
Africa · Herb · № 450
Calotropis procera
Traditionally attributed effects: root bark for dysentery and elephantiasis; leaves for intermittent fever; milky sap irritant and laxative; flowers for colds, cough, asthma and indigestion.
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.
Europe · Food · № 296
Cynara cardunculus var. scolymus
Traditionally attributed effects: liver tonic and restorative, promotes bile.
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.