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
CautionNorth 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.
CautionSouth America · Herb · № 864
Ugni molinae
A shrub of the myrtle family with fragrant red berries. Mainly a food plant; the leaf was used as an astringent.
CautionNorth 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.
CautionNorth 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.
CautionNorth America · Herb · № 997
Diospyros virginiana
A tree of the ebony family, related to the kaki. Unripe, the orange fruits are so astringent that they pucker the mouth, but after the first frost they are sweet and soft. They are rich in vitamin C. Bark and unripe fruits contain many tannins.
CautionSouth America · Herb · № 901
Banisteriopsis caapi
A giant liana up to thirty metres long. The stem contains harmine, harmaline and tetrahydroharmine, which inhibit the enzyme MAO. This makes the DMT from plants such as chacruna active by mouth. The drink brings visions, and usually vomiting and diarrhoea, which the tradition regards as cleansing.
CautionNorth America · Herb · № 34
Hydrastis canadensis
There is not enough evidence to determine whether goldenseal helps any health condition.
CautionSouth America · Herb · № 911
Schkuhria pinnata
A small, finely branched annual herb of the daisy family with tiny yellow flowers. It tastes bitter. There is laboratory research on compounds that act on blood sugar, but studies in people are lacking.
CautionNorth America · Herb · № 995
Aralia spinosa
A shrub or small tree of the ivy family, related to American spikenard, with very prickly stems, huge doubly pinnate leaves and in late summer large sprays of small white flowers with purple berries. The fresh root is sharp and emetic.
CautionNorth America · Herb · № 182
Gelsemium sempervirens
Contains alkaloids such as gelsemine that act on the nervous system. In the 19th century it was used for nerve pain, migraine and fever, but its toxicity makes any use dangerous. Homeopathic gelsemium is so diluted that it contains no active substance.
CautionSouth America · Herb · № 879
Ilex guayusa
A relative of yerba mate; the leaf contains a lot of caffeine and is stimulating.
CautionOceania · 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.
CautionNorth America · Herb · № 987
Euonymus americanus
A shrub of the spindle family, up to two metres tall. In autumn the warty pink fruits burst open to show seeds in a bright red aril. Seeds and fruits are strongly purgative, as in other spindles, and the genus is considered poisonous.
CautionNorth America · Herb · № 994
Gillenia trifoliata (syn. Porteranthus trifoliatus)
A perennial of the rose family with three-parted leaves and loose sprays of white or pale pink flowers with five narrow petals. The root is emetic and purgative; it was listed in the United States Pharmacopeia as American ipecac.
CautionNorth America · Herb · № 990
Asclepias tuberosa
A milkweed with bright orange flower umbels that attract many butterflies, and a thick, tuberous root. For a milkweed it contains few cardiac glycosides, but it does contain steroids that in larger amounts can cause weakness, seizures and eye damage. The root was listed in the United States Pharmacopeia as pleurisy root, an expectorant.
CautionNorth America · Herb · № 154
Passiflora incarnata
Used for anxiety and sleep problems. NCCIH notes some indications of an effect on anxiety but limited evidence.
CautionNorth America · Herb · № 946
Chimaphila umbellata
A low, evergreen dwarf shrub with leathery leaves and pink nodding flowers. Contains arbutin and related compounds, like bearberry.
CautionNorth America · Herb · № 960
Lithospermum incisum (syn. L. linearifolium)
A member of the borage family with yellow trumpet-shaped flowers and a red root, related to Chinese gromwell (zi cao). Effects not studied.
CautionNorth America · Herb · № 967
Alnus rubra
A fast-growing alder with smooth grey bark that turns red after cutting. The bark is rich in tannins and astringent.
CautionNorth 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.
CautionCentral America and the Caribbean · Herb · № 923
Heimia salicifolia
A shrub of the loosestrife family with narrow leaves and yellow flowers. Contains vertine (cryogenine), lyfoline and lythrine. Said to cause slight dizziness, a yellow tint over what one sees and the feeling that sounds come from far away.
CautionNorth America · Herb · № 998
Oxydendrum arboreum
A tree of the heath family with drooping sprays of white, bell-shaped flowers in summer and fiery red autumn leaves. The leaves taste sour, hence the name. From the flowers bees make a light, much-prized honey.
CautionNorth America · Food · № 979
Notholithocarpus densiflorus
An evergreen tree of the beech family, between oak and chestnut. The acorns are nourishing but bitter with tannins, which must first be leached out.
CautionAsia · Herb · № 930
Lagochilus inebrians
A small, globular shrub of the mint family with white or pale pink flowers. Contains lagochilin, a diterpene that reduces bleeding and has a calming effect. Gives a mild intoxication.
CautionAsia · Herb · № 128
Morus alba en M. nigra
The leaf (sang ye) is being studied for post-meal blood sugar and is used in Chinese medicine for coughs and fevers; bark, twigs and berries each have their own use too. Evidence is preliminary.
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.