North America · Herb · № 170
Gumweed
Grindelia camporum
The sticky herb was traditionally used for coughs, asthma and bronchitis, and externally for poison-ivy rashes. Clinical evidence is lacking.
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 · № 170
Grindelia camporum
The sticky herb was traditionally used for coughs, asthma and bronchitis, and externally for poison-ivy rashes. Clinical evidence is lacking.
Asia · Food · № 16
Camellia sinensis
A brewed tea. Evidence does not establish most health claims; extracts differ from the ordinary beverage.
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.
South America · Herb · № 163
Paullinia cupana
The seeds contain about twice as much caffeine as coffee beans. Guarana is used in energy drinks and soft drinks; its stimulating effect comes from caffeine.
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.
Asia · Herb · № 142
Commiphora wightii (syn. C. mukul)
The resin is used in Ayurveda for joint complaints, overweight and high cholesterol. A US study found no reduction in cholesterol; LDL even rose slightly.
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.
Europe · Herb · № 82
Leonurus cardiaca
Traditionally used for stress-related palpitations, nervousness and menstrual complaints. Clinical research is scarce.
South America · Herb · № 881
Gentianella alborosea (en G. nitida)
A small, very bitter herb of the gentian family. It is sold for liver, gallbladder and cholesterol complaints and for weight loss; good research is lacking.
Africa · Herb · № 480
Cynodon dactylon
Traditionally attributed effects: soothing, astringent, diuretic, stops bleeding, mildly laxative; for oedema, blood in the urine, vomiting, chronic diarrhoea, hysteria, bleeding haemorrhoids, bladder irritation, bladder stones, gout and rheumatism.
Africa · Herb · № 808
Hoodia gordonii
A succulent whose stem the San chewed against hunger and thirst. Not proven as a slimming aid.
South America · Herb · № 1010
Chuquiraga spinosa (en C. rotundifolia)
A prickly shrub with hard, pointed little leaves and orange-yellow flower heads. Contains phenolic acids, flavonoids, saponins and alkaloids; animal studies point to an anti-inflammatory and antioxidant effect.
Europe · Herb · № 202
Muscari racemosum, Hyacinthoides non-scripta
Hyacinths and grape hyacinths are ornamental plants. The bulbs are poisonous and can cause itching on contact ('hyacinth itch' among bulb peelers).
North America · Herb · № 307
Lobelia inflata
Traditionally attributed effects: relaxing, expectorant, induces sweating, emetic, antispasmodic, anti-asthmatic.
Europe · Herb · № 499
Fumaria indica
Traditionally attributed effects: expels worms, mildly laxative, cooling, induces sweating and urination, fever-reducing, lowers blood pressure; for syphilis, scrofula, leprosy, constipation, indigestion from a sluggish liver, fever, jaundice, skin diseases.
Asia · Herb · № 548
Rubia cordifolia
Traditionally attributed effects: promotes menstruation, astringent, diuretic, cleansing, decongestant, tonic; for paralysis, jaundice, urinary tract obstruction, menstrual disorders, mastitis, too little lochia.
Asia · Herb · № 508
Hemidesmus indicus
Traditionally attributed effects: cleansing, tonic, soothing, induces sweating and urination, purifies the blood; for lack of appetite, indigestion, fever, skin diseases, syphilis, leucorrhoea, urogenital diseases, chronic cough, rheumatic joints.
Asia · Food · № 764
Prunus mume
Traditionally attributed effects: astringent in chronic cough and diarrhoea, replenishes body fluids and was used against worms.
Asia · Herb · № 302
Styphnolobium japonicum (syn. Sophora japonica)
Traditionally attributed effects: stops bleeding, laxative.
Asia · Herb · № 127
Lonicera japonica en L. periclymenum
The flower buds (jin yin hua) are an important 'cooling' herb in Chinese medicine for fever, sore throats and colds. There is plenty of laboratory research but few good clinical studies.
Asia · Herb · № 687
Lygodium japonicum
Traditionally attributed effects: diuretic in cystitis and stones; also for sore throat and mumps.
Europe · Herb · № 81
Juniperus communis
The berries are traditionally used as a diuretic, for digestive complaints and externally for joint pain. Clinical evidence is limited.
South America · Herb · № 981
Justicia pectoralis (syn. Dianthera pectoralis)
A low, creeping herb of the acanthus family. The dried leaf smells strongly of hay because of coumarin and umbelliferone. Reports of tryptamines in the plant have not been confirmed.
Asia · Herb · № 752
Dipsacus asper
Traditionally attributed effects: strengthens liver and kidneys, helps fractures heal and calms the foetus.
Asia · Herb · № 695
Smilax glabra
Traditionally attributed effects: drains damp heat, especially via the skin and in joint complaints.
Asia · Herb · № 407
Alhagi pseudalhagi
Traditionally attributed effects: laxative, diuretic, expectorant; for urinary retention, corneal clouding; manna tonic, promotes bile, purifies the blood.
Asia · Other · № 141
Cinnamomum camphora
Used externally in rubs for muscle pain, itching and blocked noses; it gives a cooling, numbing feeling. There is some evidence of short-term relief.
Europe · Herb · № 19
Matricaria chamomilla (Duitse kamille)
Flowers are used in teas and topical or oral products. Reliable evidence is insufficient for most claimed conditions.
Asia · Food · № 38
Cinnamomum verum
A spice made from inner bark. Research on health effects is preliminary; cinnamon is not a treatment.
North America · Herb · № 155
Phytolacca americana
Formerly used for swollen glands, tonsillitis and rheumatism. Because of its toxicity it is not a safe herb; there is no evidence of benefits that outweigh the risks.
South America · Herb · № 33
Uncaria tomentosa
There is no conclusive scientific evidence that cat's claw helps any health condition.
Europe · Herb · № 109
Nepeta cataria
Traditionally used as a mild tea for colds, fevers, restlessness and colic. Nepetalactone from the plant is being researched as an insect repellent.
Asia · Herb · № 143
Picrorhiza kurroa
A very bitter herb used in Ayurveda and Tibetan medicine for liver complaints, fever and digestive problems. Research is mainly in animals.
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.