Asia · Herb · № 133
Psyllium
Plantago ovata
The seed husks form a mucilaginous gel: an established bulk-forming fibre for constipation and mild diarrhoea that can also modestly lower LDL cholesterol.
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 · № 133
Plantago ovata
The seed husks form a mucilaginous gel: an established bulk-forming fibre for constipation and mild diarrhoea that can also modestly lower LDL cholesterol.
South America · Herb · № 871
Quinchamalium chilense
A semi-parasitic herb with orange-yellow flowers in heads. Traditionally for wounds and colds; research is lacking.
Europe · Herb · № 99
Trifolium pratense
Contains isoflavones (plant oestrogens) and is sold for menopausal symptoms. NCCIH concludes there is no convincing evidence that it reduces hot flushes.
Africa · Food · № 11
Aspalathus linearis
A caffeine-free herbal infusion used as a beverage; it is not an established treatment.
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.
North America · Herb · № 594
Polygonatum biflorum
Traditionally attributed effects: tonic, astringent, relaxing; strengthens and lubricates tendons, ligaments and joints, helps with prolapse of the uterus and bladder, calms the heart rhythm, moistens dry conditions (dry skin, stool, airways).
Asia · Herb · № 140
Santalum album
Used in Ayurveda as a 'cooling' remedy for skin irritation and urinary complaints; the oil is used in aromatherapy. Clinical evidence is limited.
Africa · Food · № 356
Sesamum indicum
Traditionally attributed effects: soothing, softens the skin, diuretic, promotes menstruation and milk flow, laxative; leaves for respiratory complaints, diarrhoea and dysentery in children, bladder catarrh; seeds for bleeding haemorrhoids, absent or painful menstruation.
Asia · Herb · № 406
Albizzia lebbek
Traditionally attributed effects: cleansing, insect-repellent, anti-allergic; for bronchitis, leprosy, paralysis, gum inflammation, worms, snake bites and scorpion stings, night blindness.
Asia · Food · № 258
Lactuca sativa
A juicy leaf vegetable with some vitamin K and folate. The milky sap of the stem is mildly calming, but much weaker than that of wild lettuce.
Europe · 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.
Europe · Herb · № 577
Frangula alnus
Traditionally attributed effects: cleansing, laxative, antiparasitic, bitter; mild laxative without cramps, stops bleeding and helps with warts, mouthwash for gum problems, hair rinse for scalp irritation.
Asia · Herb · № 538
Phyllanthus fraternus
Traditionally attributed effects: diuretic, astringent, cooling, laxative, bitter tonic; for oedema, gonorrhoea, urogenital diseases, jaundice, constipation, stomach ache, indigestion, dysentery, mild intermittent fever, heavy menstruation.
Central America and the Caribbean · Herb · № 456
Cassia tora
Traditionally attributed effects: mildly laxative, cleansing; intestinal complaints and fever when teething, compress for gout, sciatica and joint pain; seeds for ringworm, scabies and eczema; root for snake bites.
Europe · Herb · № 298
Chelidonium majus
Traditionally attributed effects: diuretic, cleansing, stimulates the liver, anti-inflammatory.
Africa · Food · № 560
Tamarindus indica
Traditionally attributed effects: ripe fruit sour, cooling, carminative, laxative, antiscorbutic, promotes bile; for inflamed swellings, bilious vomiting, conjunctivitis (flowers), bleeding haemorrhoids, throat complaints, ulcers, paralysis (bark), gonorrhoea (ash).
Europe · Herb · № 98
Thymus vulgaris
Traditionally used for coughs and bronchitis; thymol from the oil inhibits bacteria and fungi in the laboratory. There are some studies of thyme-based cough syrups.
North 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.
Asia · Food · № 240
Allium cepa
Traditionally attributed effects: stimulating, diuretic, expectorant, skin-irritant, aphrodisiac, antiseptic; for cough, haemorrhoids, jaundice, indigestion, insect bites, boils, wounds, chilblains and sore joints.
Europe · Herb · № 20
Valeriana officinalis
The root has a traditional association with sleep and calm. Research on insomnia is inconsistent and does not establish benefit.
Europe · Food · № 83
Linum usitatissimum
Ground flaxseed acts as a gentle bulk-forming fibre for constipation. NCCIH reports it may lower cholesterol slightly; evidence for other claims is unclear.
Europe · Food · № 21
Sambucus nigra
Berries have a folk-use history for cold and flu symptoms; clinical evidence remains preliminary.
Europe · 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.
Asia · Herb · № 479
Cuscuta reflexa
Traditionally attributed effects: carminative, expels worms, cleansing, antispasmodic; for stomach ache, constipation, flatulence, liver complaints, bile complaints; externally for itching and skin diseases.
Europe · Herb · № 106
Menyanthes trifoliata
A strong bitter traditionally used to stimulate appetite and digestion and for rheumatic complaints. Clinical evidence is lacking.
Oceania · Food · № 173
Acacia spp. (o.a. A. holosericea, A. decurrens)
Roasted wattleseed is a protein- and fibre-rich bushfood. The bark of some species is rich in tannins and was used for wounds and diarrhoea. There is little clinical research.
North America · Herb · № 598
Quercus alba
Traditionally attributed effects: strongly astringent; strengthens lax tissue (diarrhoea, inflamed gums, chronic nasal congestion, weak bladder), stops bleeding (nosebleeds, internal bleeding).
Africa · Herb · № 547
Ricinus communis
Traditionally attributed effects: oil mildly laxative; leaf juice emetic in poisoning, leaf decoction laxative, promotes milk and menstruation; compress on boils and swellings, for flatulence in children; root decoction for lumbago, rheumatism and sciatica.
Asia · Herb · № 424
Artemisia maritima
Traditionally attributed effects: antipyretic, mildly laxative, stomachic, tonic, expels worms, stimulates the heart; against worms, compress for inflammation, tumours and foul ulcers.
North America · Herb · № 150
Actaea racemosa
Mainly sold for menopausal symptoms such as hot flushes. NCCIH reports that study results are mixed and there is not enough evidence that it helps.
North America · Herb · № 576
Juglans nigra
Traditionally attributed effects: cleansing, laxative, astringent, antibacterial, antiparasitic, antifungal; cleanses and strengthens the large intestine, for skin problems, traveller's diarrhoea, sinusitis, underactive thyroid.
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.
Read moreFrom plant to use
Discover more
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.