Europe · Herb · № 239
Mistletoe
Viscum album
Traditionally attributed effects: slows the heart rate, lowers blood pressure, antitumour.
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.
Europe · Herb · № 239
Viscum album
Traditionally attributed effects: slows the heart rate, lowers blood pressure, antitumour.
Europe · Herb · № 335
Stachys palustris
Traditionally attributed effects: antiseptic, antispasmodic, wound-healing.
Europe · Herb · № 110
Gnaphalium uliginosum
An astringent herb traditionally used as a gargle for sore throats and inflamed upper airways. There is no clinical research.
Europe · Herb · № 291
Vitex agnus-castus
Traditionally attributed effects: stimulates the pituitary gland and hormone production.
Europe · Herb · № 314
Pilosella officinarum (syn. Hieracium pilosella)
Traditionally attributed effects: antispasmodic, expectorant, anticatarrhal, diuretic, wound-healing.
Asia · Herb · № 39
Azadirachta indica
Used for centuries in traditional medicine in India, but there is insufficient clinical evidence of medical benefits.
Europe · Herb · № 235
Euphrasia officinalis
Traditionally attributed effects: anticatarrhal, antiseptic, anti-inflammatory.
Oceania · Herb · № 840
Centipeda cunninghamii
A small herb traditionally used for colds, skin complaints and inflammation.
North America · Herb · № 999
Impatiens capensis
An annual, juicy herb with orange, spotted flowers. Ripe seed pods burst open when touched and shoot the seeds away, hence the names touch-me-not and jewelweed. The sap contains saponins and naphthoquinones; one study found it can prevent a poison ivy rash after short exposure, though washing with soap works at least as well.
North America · Herb · № 974
Malus fusca
A small apple tree with small, sour, oval apples and very tough wood. The bark contains tannins.
North America · Herb · № 154
Passiflora incarnata
Used for anxiety and sleep problems. NCCIH notes some indications of an effect on anxiety but limited evidence.
North America · Herb · № 326
Mitchella repens
Traditionally attributed effects: stimulates the uterus, tonic, restorative, astringent, diuretic.
South America · Herb · № 165
Handroanthus impetiginosus (syn. Tabebuia avellanedae)
The inner bark is sold for fungal infections, inflammation and as a 'cancer remedy'. There is no reliable human evidence; its active compound lapachol proved too toxic at effective doses.
Oceania · Herb · № 178
Euphorbia hirta
Traditionally used for asthma and bronchitis (the name asthma weed comes from Queensland), for diarrhoea and externally for warts. There is laboratory research but no good clinical evidence.
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.
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.
North 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.
North America · Herb · № 958
Ratibida columnifera (syn. R. columnaris)
A member of the daisy family with drooping yellow or red-brown ray flowers around a long, columnar centre that smells when bruised. Effects not studied.
North America · Herb · № 954
Pulsatilla nuttalliana (syn. P. patens subsp. multifida)
A low plant of the buttercup family with hairy purple flowers that appear before the leaves. Like other pasqueflowers, the fresh plant contains protoanemonin, which strongly irritates skin and mucous membranes and raises blisters.
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.
North America · Herb · № 989
Pseudognaphalium obtusifolium (syn. Gnaphalium obtusifolium)
An annual, grey-felted herb of the daisy family, with straw-coloured flower heads that keep their shape when dried. The dried herb smells sweet. Flavonoids and essential oil have been found in it; its effect is little studied.
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.
Europe · Herb · № 299
Geranium robertianum
Traditionally attributed effects: astringent, stops bleeding.
North 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.
North America · Herb · № 323
Ulmus rubra (syn. U. fulva)
Traditionally attributed effects: soothing, nourishing, astringent.
North America · Herb · № 368
Ceanothus americanus
Traditionally attributed effects: astringent, antispasmodic, expectorant, calming; for a swollen spleen (e.g. after glandular fever), cools and constricts blood vessels in bleeding and congestion of the uterus, liver and lymph.
North America · Herb · № 975
Oxalis oregana
A low wood sorrel with large clover-like leaves and white or pink flowers, forming carpets under the trees. The leaf tastes sour from oxalic acid.
Europe · Herb · № 2
Salvia rosmarinus (syn. Rosmarinus officinalis)
An aromatic culinary herb with carnosic acid and rosmarinic acid. A few small studies point to a slight effect of the scent on alertness; that it improves memory has not been shown. The leaf is used for digestive complaints.
Africa · Herb · № 201
Pelargonium graveolens
Traditionally attributed effects: antidepressant, pain-relieving, diuretic, calming, tonic.
Europe · Herb · № 595
Rumex acetosella
Traditionally attributed effects: induces sweating, diuretic, fever-reducing, stops bleeding; traditionally for cancer (ingredient of Essiac tea), relieves 'hot' conditions (fever, thirst, inflammation), boils, transient jaundice.
North America · Herb · № 976
Hypericum scouleri (syn. H. formosum var. scouleri)
A native St John's wort with yellow, black-dotted flowers, related to common St John's wort. Like it, it contains hypericin and hyperforin.
Europe · Food · № 61
Apium graveolens
Vegetable and spice. The seed was traditionally used for gout, joint complaints and as a diuretic. Convincing clinical evidence is lacking.
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.
North America · Food · № 935
Carya ovata
A nut tree of the walnut family, with bark that peels away in long strips. The nuts are rich and sweet.
North America · Herb · № 286
Eschscholzia californica
Traditionally attributed effects: pain-relieving, sleep-inducing, calming.
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.