North America · Herb · № 14
Echinacea
Echinacea purpurea
Studied for colds and respiratory infections. It may slightly reduce the chance of catching a cold; effects on duration and other conditions are uncertain.
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 · № 14
Echinacea purpurea
Studied for colds and respiratory infections. It may slightly reduce the chance of catching a cold; effects on duration and other conditions are uncertain.
Europe · Herb · № 289
Centaurium erythraea
Traditionally attributed effects: bitter, stimulates the liver.
Europe · Herb · № 107
Teucrium chamaedrys
Formerly used as a digestive bitter, for gout and as a slimming aid. The risk of liver damage outweighs any possible benefit.
Europe · Herb · № 111
Solidago virgaurea
In Europe it is used to flush the urinary tract in mild complaints and is listed in European herbal monographs as a traditional remedy. Clinical evidence is limited.
Asia · Herb · № 585
Epimedium grandiflorum
Traditionally attributed effects: aphrodisiac, diuretic, tonic; increases libido, helps with erectile problems and fertility, strengthens the bladder sphincter and kidney function.
Oceania · Food · № 177
Grewia retusifolia
The small fruits are edible; the name dysentery bush refers to its traditional use for diarrhoea. There is no clinical research.
Central America and the Caribbean · Herb · № 460
Dysphania ambrosioides (syn. Chenopodium ambrosioides)
A strong-smelling culinary herb traditionally used against intestinal worms and wind. The essential oil contains ascaridole, which kills worms but is also toxic to humans.
Europe · Herb · № 193
Fraxinus excelsior
The leaf was used as a mild diuretic and laxative and for gout. There is little research; a medicinal effect has not been shown.
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.
North America · Herb · № 188
Acer spp.
Maple syrup is the boiled-down sap of the sugar maple. It consists mainly of sugar and some minerals, such as manganese; it is a sweetener, not a medicine.
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.
Asia · Herb · № 751
Eucommia ulmoides
Traditionally attributed effects: strengthens liver and kidneys, tendons and bones; calms rising liver yang and a restless foetus.
Africa · Herb · № 118
Trigonella foenum-graecum
The seed has been studied for blood sugar and for increasing breast milk. NCCIH reports there is not enough strong evidence for these uses.
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 · № 119
Alpinia galanga
A relative of ginger traditionally used for nausea, wind and sluggish digestion. Clinical evidence is limited.
North America · Herb · № 1000
Galax urceolata
A low evergreen herb of the Diapensia family with glossy, round, toothed leaves that turn bronze to wine red in winter, and in spring a slender spike of tiny white flowers. Plants in flower smell sharp, almost like a skunk. Its effect has not been studied.
Europe · Herb · № 297
Galega officinalis
Traditionally attributed effects: lowers blood sugar, stimulates insulin, promotes milk flow, diuretic.
Europe · Herb · № 104
Viburnum opulus en V. prunifolium
The bark is traditionally used for muscle cramps and period pain; its English name is cramp bark. Clinical evidence is lacking.
Africa · Herb · № 433
Bauhinia tomentosa
Traditionally attributed effects: against dysentery, expels worms; fruit diuretic; seeds tonic and aphrodisiac; for hepatitis, dysentery, tumours and wounds, snake bites.
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.
Europe · Herb · № 300
Cnicus benedictus
Traditionally attributed effects: bitter digestive stimulant, expectorant, antiseptic, wound-healing.
Asia · Herb · № 472
Crinum defixum
Traditionally attributed effects: emetic, induces sweating, laxative; leaves for whitlow, inflamed toes and fingers, joints and sprains; leaf juice for ear complaints; bulb for bile complaints, urinary complaints and rheumatism.
Asia · Mineral · № 698
Mirabilitum (natriumsulfaat)
Traditionally attributed effects: softens the stool in constipation from heat and dryness.
Asia · Food · № 637
Lycium barbarum, L. chinense
Traditionally attributed effects: sweet tonic that according to tradition strengthens the yang energy, strength and stamina and supports the hormone system.
Europe · Herb · № 49
Calendula officinalis
An edible flower historically used as medicine and dye. Its oil is widely used in skin products.
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.
Europe · Herb · № 218
Mentha spicata
The classic culinary mint, with the milder carvone instead of menthol. It is drunk as tea for a full stomach and nausea; studies on concentration are small and inconclusive.
Europe · Herb · № 60
Angelica archangelica
An aromatic bitter traditionally used for bloating, poor appetite and colds. Clinical evidence is limited.
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.
Europe · Herb · № 316
Aphanes arvensis
Traditionally attributed effects: diuretic, soothing.
South America · Herb · № 879
Ilex guayusa
A relative of yerba mate; the leaf contains a lot of caffeine and is stimulating.
Asia · Herb · № 144
Tinospora cordifolia
In Ayurveda a rejuvenating remedy (rasayana) for fevers and the immune system. Studies are small; it has no proven effect against infections.
Europe · Herb · № 87
Primula veris
The root contains saponins and is traditionally used to loosen phlegm in coughs; the flowers as a calming tea. There is some research on combination cough preparations.
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.
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.
Read moreFrom plant to use
Discover more
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.