North America · Herb · № 946
Pipsissewa
Chimaphila umbellata
A low, evergreen dwarf shrub with leathery leaves and pink nodding flowers. Contains arbutin and related compounds, like bearberry.
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 · № 946
Chimaphila umbellata
A low, evergreen dwarf shrub with leathery leaves and pink nodding flowers. Contains arbutin and related compounds, like bearberry.
Central America and the Caribbean · Herb · № 167
Guaiacum officinale
The resin and wood were used for rheumatic complaints and gout; guaiac resin is still used in the guaiac test for blood in stool. There is no modern evidence for its classic uses.
North America · Herb · № 192
Populus tremuloides
Traditionally attributed effects: astringent, fever-reducing, tonic, anti-inflammatory, pain-relieving (salicylates); restores the sensitive bladder (incontinence), calms the bowels in stress diarrhoea, heals wounds, lowers fever, relieves headache.
North America · Herb · № 956
Artemisia frigida
A low, silver-grey, strongly scented wormwood shrub. Contains a volatile oil with camphor and cineole and, like other wormwoods, thujone.
Asia · Herb · № 133
Plantago ovata
The seed husks form a mucilaginous gel: an established bulk-forming fibre for constipation and mild diarrhoea that can also modestly lower LDL cholesterol.
North America · Herb · № 941
Angelica atropurpurea
A tall umbellifer with a purple stem, related to European garden angelica. Contains essential oil and furanocoumarins, which make the skin sensitive to sunlight.
Asia · Food · № 545
Raphanus sativus
Traditionally attributed effects: seeds and leaves diuretic, laxative, dissolve stones; juice against scurvy; for painful and difficult urination, stones, urinary diseases, haemorrhoids, stomach ache; syrup for hoarseness, whooping cough and chest complaints.
North America · Food · № 936
Allium tricoccum
A wild leek with broad leaves and a small bulb, related to European wild garlic. Leaves and bulb taste of onion and garlic.
South America · Herb · № 915
Krameria lappacea (syn. Krameria triandra)
A low shrub that is partly parasitic on the roots of other plants. The red root is rich in tannins and is therefore astringent. In Europe rhatany root is listed in the pharmacopoeia and used in mouthwashes and gum remedies.
Asia · Mushroom · № 690
Calvatia gigantea (en Lasiosphaera fenzlii)
Traditionally attributed effects: cools lung fire in sore throat and hoarseness; the spore powder stops bleeding externally.
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.
Africa · Herb · № 201
Pelargonium graveolens
Traditionally attributed effects: antidepressant, pain-relieving, diuretic, calming, tonic.
Asia · Herb · № 345
Crocus sativus
Traditionally attributed effects: stimulating, aphrodisiac, stomachic, pain-relieving, antispasmodic, calming, promotes menstruation; for absent menstruation, fever, hysteria, melancholy, leucorrhoea, haemorrhoids; paste for bruises, nerve and rheumatic pain.
Asia · Herb · № 745
Biancaea sappan (syn. Caesalpinia sappan)
Traditionally attributed effects: lets the blood flow in menstrual pain and injury.
Central America and the Caribbean · Herb · № 369
Smilax spp. (o.a. Smilax ornata)
The root contains saponins and was long sold as a 'blood-purifying' remedy and for skin conditions. There is no evidence that sarsaparilla treats herpes, syphilis or other infections.
Asia · Herb · № 666
Equisetum hyemale
Traditionally attributed effects: expels wind-heat around the eyes, stops bleeding and is diuretic.
North America · Herb · № 964
Polygala senega (syn. Senega officinalis)
A low milkwort with white flower spikes. The root contains saponins that loosen phlegm and promote coughing; it is in the European Pharmacopoeia as a cough remedy.
Africa · Herb · № 117
Senna alexandrina
Leaves and pods contain sennosides, a stimulant laxative that works for short-term constipation. It is used in modern over-the-counter laxatives.
Asia · Herb · № 122
Asparagus racemosus
In Ayurveda an important rejuvenating remedy for women, used for breastfeeding and stomach complaints. Studies are small and of variable quality.
Asia · Food · № 220
Citrus sinensis
Traditionally attributed effects: against dandruff; sweet oranges good for skin and hair.
Asia · Food · № 258
Lactuca sativa
A juicy leaf vegetable with some vitamin K and folate. The milky sap of the stem is mildly calming, but much weaker than that of wild lettuce.
Asia · Herb · № 180
Papaver somniferum
The latex of the unripe seed capsule (opium) contains morphine, codeine and other alkaloids. Morphine and related opioids are indispensable painkillers in modern medicine, but highly addictive. The seeds (poppy seeds) are an ordinary food.
Asia · Herb · № 664
Vitex rotundifolia (syn. V. trifolia)
Traditionally attributed effects: expels wind-heat in headache and eye pain, and relieves cramps and heaviness in the limbs.
South America · Herb · № 164
Hebanthe eriantha (syn. Pfaffia paniculata)
Sold as 'Brazilian ginseng' and an adaptogen for fatigue. There is hardly any human research.
Asia · Herb · № 195
Taxus baccata
Traditionally attributed effects: carminative, expectorant, stomachic, tonic; leaf and fruit promote menstruation, calming, antispasmodic; for asthma, hiccups, indigestion, coughing up blood, epilepsy, stones, nervousness.
North America · Herb · № 171
Oenothera biennis
The seed oil contains gamma-linolenic acid and is sold for eczema, premenstrual symptoms and hot flushes. NCCIH reports it does not help eczema and that evidence for other conditions is insufficient.
Central America and the Caribbean · Food · № 157
Solanum lycopersicum
A fruit-vegetable with vitamin C and lycopene. Research on lycopene and heart or prostate health is mostly observational and not conclusive.
North America · Herb · № 152
Hamamelis virginiana
Strongly astringent due to tannins. Witch hazel water and ointment are used externally for minor skin irritation, bruises and haemorrhoids; there is limited but reasonably supportive evidence.
North America · Herb · № 945
Sarracenia purpurea
A carnivorous plant with pitcher-shaped leaves that hold rainwater, in which insects drown. Little research exists on effects in people.
Asia · Herb · № 210
Tulipa spp.
An ornamental flower. The petals are edible; the bulbs were eaten in times of need but can cause eczema on contact ('tulip fingers'). In Persian poetry the red tulip stands for love and martyrdom.
South America · Herb · № 1013
Nototriche (o.a. N. mandoniana en N. porphyrantha)
A small, cushion-forming mallow that grows flat against the ground, with a thick taproot. Mallows contain soothing mucilage; these species themselves have hardly been studied.
Asia · Food · № 240
Allium cepa
Traditionally attributed effects: stimulating, diuretic, expectorant, skin-irritant, aphrodisiac, antiseptic; for cough, haemorrhoids, jaundice, indigestion, insect bites, boils, wounds, chilblains and sore joints.
Africa · Herb · № 29
Pelargonium sidoides
Root extract is sold for respiratory complaints. A Cochrane review found little to no evidence of benefit for acute bronchitis, colds, or sinusitis.
Asia · Herb · № 707
Polygonum aviculare
Traditionally attributed effects: drains damp heat in cystitis, stops itching and was used against worms.
North America · Herb · № 824
Hierochloe odorata
A sweet-scented grass that is burned in ceremonies.
Asia · Herb · № 403
Adiantum philippense
Traditionally attributed effects: antipyretic, diuretic, cleansing, expels worms, cooling; for cough and respiratory complaints, fever, leprosy, erysipelas.
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.