Europe · Herb · № 79
Elecampane
Inula helenium
The root is traditionally used for productive coughs and bronchitis; it is rich in inulin. Clinical evidence is limited.
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 · № 79
Inula helenium
The root is traditionally used for productive coughs and bronchitis; it is rich in inulin. Clinical evidence is limited.
North America · Herb · № 158
Scutellaria lateriflora (en S. baicalensis)
Used in Western herbalism for nervousness, tension and sleep problems. A few small studies suggest a mild calming effect.
North America · Herb · № 826
Podophyllum peltatum
A poisonous plant whose resin, podophyllin, was once used as a laxative. Now only used in the form of medicines against warts.
North America · Herb · № 160
Panax quinquefolius
Chinese medicine regards it as more 'cooling' than Asian ginseng and uses it for fatigue and thirst. Some studies find a slight effect on post-meal blood sugar and colds; evidence is limited.
North America · Herb · № 628
Asarum caudatum, A. canadense en verwante soorten
Traditionally attributed effects: expels wind-cold, opens a blocked nose, warms the lung in cough with clear phlegm and expels cold and dampness in menstrual pain and other pain.
North America · Food · № 934
Castanea dentata
Once one of the largest trees of the eastern forests, with sweet, edible nuts. Related to the sweet chestnut.
North America · Herb · № 932
Tilia americana
A large broadleaf tree with heart-shaped leaves and fragrant flowers, related to the European lime. The flowers contain mucilage and flavonoids. The wood is soft and easy to carve; the inner bark gives strong fibre.
North America · Herb · № 951
Aralia racemosa
A tall perennial of the ivy family, related to ginseng, with a thick, aromatic root. Little studied.
North America · Herb · № 574
Populus balsamifera
Traditionally attributed effects: buds: stimulating, tonic, diuretic, soothing, expectorant; bark: expectorant, laxative; for skin problems (eczema, psoriasis), dry cough, constipation, kidney/bladder support, rheumatism and gout.
North America · Herb · № 573
Abies balsamea
Traditionally attributed effects: stimulating, antiseptic, pain-relieving; for respiratory infections, cough and sore throat, cystitis and enteritis, aid to quitting smoking; externally for burns, wounds, haemorrhoids, muscle pain.
North America · Herb · № 939
Uvularia perfoliata
A low plant with hanging, pale yellow bells and leaves that clasp the stem. Little is known about its compounds.
North America · Herb · № 950
Lindera benzoin
A shrub of the laurel family with fragrant leaves and twigs and red berries.
North America · Herb · № 224
Monarda didyma
The fragrant leaf contains thymol and is drunk as tea. Indigenous peoples used it for colds, fever and headache; studies in humans are lacking.
North America · Herb · № 281
Iris versicolor
Traditionally attributed effects: anti-inflammatory, diuretic, stimulating, laxative.
North America · Herb · № 280
Caulophyllum thalictroides
Traditionally attributed effects: tonic, antispasmodic, anti-inflammatory, stimulates the uterus, diuretic, antirheumatic.
North America · Herb · № 372
Sanguinaria canadensis
Traditionally attributed effects: stimulating, emetic, expectorant, restorative; part of escharotic treatment for cervical dysplasia, warms lungs/stomach/uterus, promotes coughing up.
North America · Herb · № 151
Eupatorium perfoliatum
Traditionally used for fever and flu with aching muscles; the name refers to 'break-bone fever'. There is hardly any modern clinical research.
North America · Herb · № 34
Hydrastis canadensis
There is not enough evidence to determine whether goldenseal helps any health condition.
North America · Herb · № 582
Solidago canadensis
Traditionally attributed effects: astringent, antiseptic, anti-inflammatory, wound-healing; heals the bladder wall (incontinence, irritation), for allergies and stuck mucus after a cold, eyewash for hay fever.
North America · Herb · № 931
Tsuga canadensis
An evergreen conifer with short, flat needles. The bark is rich in tannins and was once used to tan leather. Medicinal effects have not been studied.
North America · Herb · № 189
Pinus spp.
The scent of needles and resin is experienced as fresh and cleansing. Pine buds and needles contain essential oil and vitamin C; a medicinal effect has hardly been studied.
North America · Herb · № 948
Coptis trifolia
A small evergreen herb with golden-yellow thread-like roots. These contain berberine, a bitter compound that inhibits bacteria in laboratory tests; related to Chinese goldthread (huang lian).
Europe · Herb · № 56
Achillea millefolium
Traditionally used to stop bleeding from minor wounds, for fevers and colds, and as a digestive bitter. Clinical evidence is limited.
North America · Herb · № 188
Acer spp.
Maple syrup is the boiled-down sap of the sugar maple. It consists mainly of sugar and some minerals, such as manganese; it is a sweetener, not a medicine.
Europe · Food · № 90
Rubus idaeus
The fruit is a nutritious berry. Raspberry leaf has been used in folk medicine in late pregnancy to ease labour; convincing evidence is lacking.
Europe · Herb · № 104
Viburnum opulus en V. prunifolium
The bark is traditionally used for muscle cramps and period pain; its English name is cramp bark. Clinical evidence is lacking.
North America · Herb · № 944
Nuphar lutea (incl. N. variegata)
A water plant with floating leaves and yellow, globe-shaped flowers. The rhizome contains alkaloids whose effects are poorly studied.
North America · Herb · № 274
Geranium maculatum
Traditionally attributed effects: astringent, stops bleeding, tonic.
Europe · 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.
North America · Herb · № 596
Rhus glabra
Traditionally attributed effects: astringent, cleansing, tonic, wound-healing, antiseptic; strengthens the digestive tract (ulcers, diarrhoea), curbs excessive secretions (urine leakage, night sweats, bleeding), may lower blood sugar, for prolapse.
Europe · Herb · № 218
Mentha spicata
The classic culinary mint, with the milder carvone instead of menthol. It is drunk as tea for a full stomach and nausea; studies on concentration are small and inconclusive.
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.
Europe · Herb · № 70
Equisetum arvense
Rich in silica; traditionally used as a diuretic, for urinary infections and for hair, nails and connective tissue. Good clinical evidence is lacking.
Europe · Herb · № 234
Ulmus spp.
The inner bark of the European elm is, like that of the American slippery elm, mucilaginous and was used for skin complaints and diarrhoea. There is little research.
North America · Herb · № 307
Lobelia inflata
Traditionally attributed effects: relaxing, expectorant, induces sweating, emetic, antispasmodic, anti-asthmatic.
North America · Herb · № 942
Arisaema triphyllum
An arum with a green or striped hood over the spadix. All parts contain needle-shaped crystals of calcium oxalate, which raw cause a fiercely burning mouth and swelling.
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.