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.
GrapeFolk magic and herbal magic
BuchuLocal African healing traditions
Indian tobaccoCherokee medicine
Lignum vitaeHerbal knowledge of the Caribbean
Yerba mateKallawaya healing knowledge
CautionOceania · Herb · № 176
Melaleuca cajuputi, M. viridiflora, M. leucadendra e.a.
Both relatives of tea tree yield an essential oil used externally for muscle pain and in inhalations for colds. Clinical evidence is limited.
CautionCentral America and the Caribbean · Herb · № 161
Capsicum frutescens
Capsaicin from chilli peppers is used externally for nerve pain and joint pain; high-dose capsaicin patches are an approved medicine. Internally it is mainly a warming spice.
CautionSouth America · Herb · № 855
Copaifera officinalis en verwante soorten
A tree whose oleoresin is rich in beta-caryophyllene. Used on the skin for inflammation and small wounds; the evidence comes mainly from animal and laboratory studies.
CautionOceania · 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.
CautionEurope · 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.
CautionEurope · Herb · № 49
Calendula officinalis
An edible flower historically used as medicine and dye. Its oil is widely used in skin products.
CautionNorth 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.
CautionAsia · 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.
CautionOceania · Herb · № 23
Piper excelsum
In rongoā Māori the leaf is used for toothache, skin complaints, wounds and bladder and kidney complaints. It contains myristicin among other compounds; clinical evidence for these uses is lacking.
CautionEurope · Herb · № 102
Verbascum thapsus
Leaves and flowers contain mucilage and are traditionally used for irritating coughs and bronchitis; the flower oil for earache. Clinical evidence is limited.
CautionEurope · Food · № 68
Brassica oleracea
A vegetable rich in vitamin C and fibre. In folk medicine cold cabbage leaves are placed on engorged breasts or painful joints; small studies give mixed results.
CautionSouth America · Herb · № 853
Buddleja globosa
A shrub with orange, ball-shaped flowers. The leaf contains anti-inflammatory compounds such as verbascoside; clinical research on wound healing is lacking.
CautionSouth America · Herb · № 854
Croton lechleri
A tree with a thick, blood-red sap. On the skin it dries quickly into a protective layer. Crofelemer, approved in the US since 2013 for diarrhoea in people with HIV, was developed from the sap.
CautionEurope · Herb · № 95
Symphytum officinale
Topical preparations have been studied for bruises, sprains and back pain and appear to reduce pain. It contains allantoin, which is thought to support tissue repair.
CautionOceania · Other · № 55
Calophyllum inophyllum
An oil used mainly in skin care; medical claims are not established.
CautionOceania · Other · № 22
Melaleuca alternifolia
An essential oil for external use. Limited research suggests possible effects for acne or athlete’s foot; evidence is preliminary.
CautionNorth 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.
CautionEurope · Herb · № 114
Arnica montana
Used externally for bruises and muscle aches. Studies give mixed results. Homeopathic arnica is so diluted that it contains no active substance.
CautionEurope · Herb · № 94
Stellaria media
Traditionally used externally as a cooling ointment or compress for itching, eczema and minor skin irritation. There is hardly any clinical research.
CautionEurope · Food · № 80
Juglans regia
The nuts are a nutritious source of unsaturated fats. Leaf and green husk are astringent and were traditionally used for skin conditions and diarrhoea; clinical evidence is lacking.
CautionEurope · Herb · № 86
Plantago major
The leaf is traditionally bruised and applied to insect bites, small wounds and grazes, and taken as tea for coughs. Clinical evidence is limited.
CautionNorth America · Herb · № 957
Mirabilis nyctaginea (syn. Allionia nyctaginea)
Related to the marvel of Peru (Mirabilis jalapa), with a thick taproot and small pink flowers that open in the afternoon. Taken internally the root is strongly laxative.
CautionAfrica · 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.
CautionEurope · Herb · № 19
Matricaria chamomilla (Duitse kamille)
Flowers are used in teas and topical or oral products. Reliable evidence is insufficient for most claimed conditions.
CautionAfrica · Food · № 12
Allium sativum
A food with a long history of use. Supplement research suggests only limited effects and does not establish a treatment.
CautionEurope · Herb · № 47
Crataegus monogyna, C. laevigata (en C. pinnatifida)
Studied for heart failure with conflicting results. For most conditions there is little or no good evidence.
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.