Asia · Herb · № 766
Cherokee rose (jin ying zi)
Rosa laevigata
Traditionally attributed effects: holds in the essence and curbs diarrhoea and frequent urination.
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.
Asia · Herb · № 766
Rosa laevigata
Traditionally attributed effects: holds in the essence and curbs diarrhoea and frequent urination.
North 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.
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 · № 992
Liquidambar styraciflua
A tall tree with star-shaped leaves, splendid autumn colours and spiky round seed balls. When the bark is wounded a fragrant resin, American storax, seeps out; for centuries it has gone into ointments, perfume and incense. The resin is mildly antiseptic.
North 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.
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 · Herb · № 951
Aralia racemosa
A tall perennial of the ivy family, related to ginseng, with a thick, aromatic root. Little studied.
North 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.
North America · Herb · № 1001
Platanus occidentalis
One of the largest broadleaf trees of eastern America, with a trunk that peels in patches of white, green and brown. The bark contains tannins and betulinic acid. It is a parent of the London plane of European streets.
North America · Herb · № 950
Lindera benzoin
A shrub of the laurel family with fragrant leaves and twigs and red berries.
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 · № 991
Cornus florida
A small tree with large white bracts around a knot of tiny flowers in spring, red berries and red autumn leaves. The bark is astringent and bitter; in the American Civil War it served as a substitute for quinine, and in the laboratory compounds from the bark moderately inhibited the malaria parasite. The berries are poisonous to people.
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 · № 306
Hydrangea arborescens
Traditionally attributed effects: diuretic, laxative, stimulates the kidneys.
North America · Herb · № 34
Hydrastis canadensis
There is not enough evidence to determine whether goldenseal helps any health condition.
North 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.
North America · Herb · № 1000
Galax urceolata
A low evergreen herb of the Diapensia family with glossy, round, toothed leaves that turn bronze to wine red in winter, and in spring a slender spike of tiny white flowers. Plants in flower smell sharp, almost like a skunk. Its effect has not been studied.
North America · Herb · № 274
Geranium maculatum
Traditionally attributed effects: astringent, stops bleeding, tonic.
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.
North 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.
North America · Herb · № 307
Lobelia inflata
Traditionally attributed effects: relaxing, expectorant, induces sweating, emetic, antispasmodic, anti-asthmatic.
North 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.
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.
North 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.
Europe · 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.
North America · Herb · № 949
Hepatica nobilis (incl. H. americana en H. acutiloba)
An early spring flower of the buttercup family with three-lobed leaves. Fresh, the plant contains irritating compounds.
Central America and the Caribbean · Food · № 266
Zea mays
Traditionally attributed effects: diuretic, heals the urinary tract lining, tonic, soothing.
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 · № 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.
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.
North America · Herb · № 323
Ulmus rubra (syn. U. fulva)
Traditionally attributed effects: soothing, nourishing, astringent.
North America · Herb · № 633
Sassafras albidum
Traditionally attributed effects: expels wind, dampness and cold in joint complaints, also when heat is involved, moves the blood in stasis after trauma or in absent menstruation, and is used for itchy skin.
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.