From plant to use
Simmering roots, bark and seeds so they release their flavour and compounds.
Hard plant parts give up little in a short infusion. That is why many traditions gently boil roots, bark, seeds and berries: a decoction. Think of ginger root, cinnamon bark and the herbal formulas of Ayurveda and traditional Chinese medicine.
Registry
Herbs on this site whose description mentions this preparation. That does not mean every herb is safe to prepare yourself: read the safety information for each one.
CautionAsia · Mushroom · № 146
Wolfiporia cocos
One of the most widely used remedies in Chinese medicine, for fluid retention, poor digestion and restless sleep. Clinical research on fu ling alone is scarce.
CautionAsia · Food · № 689
Portulaca oleracea
Traditionally attributed effects: cools the blood in dysentery and painful urination; externally for ulcers and insect bites.
CautionNorth 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.
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 · № 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.
CautionAsia · Herb · № 748
Pseudostellaria heterophylla
Traditionally attributed effects: a mild qi tonic that also replenishes body fluids.
CautionAsia · 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.
CautionAsia · Mineral · № 784
Pumex
Traditionally attributed effects: cools hot phlegm in the lungs, softens lumps and promotes urination.
CautionAsia · Herb · № 441
Boerhaavia diffusa
Traditionally attributed effects: bitter, stomachic, laxative, diuretic, expectorant, induces sweating, anti-inflammatory; for asthma, jaundice, oedema, anaemia, internal inflammation, snake bites.
CautionNorth America · Herb · № 584
Eutrochium purpureum (syn. Eupatorium purpureum)
Traditionally attributed effects: diuretic, strengthens the nerves, astringent, stimulating, antiseptic; dissolves kidney and bladder stones, removes mineral deposits in joints, traditionally to prevent miscarriage and to prepare for childbirth.
CautionNorth 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.
CautionAsia · Mineral · № 791
Pyritum (ijzersulfide)
Traditionally attributed effects: resolves blood stagnation and helps fractures and ligaments recover.
CautionSouth America · Herb · № 871
Quinchamalium chilense
A semi-parasitic herb with orange-yellow flowers in heads. Traditionally for wounds and colds; research is lacking.
CautionNorth 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.
CautionAsia · Food · № 545
Raphanus sativus
Traditionally attributed effects: seeds and leaves diuretic, laxative, dissolve stones; juice against scurvy; for painful and difficult urination, stones, urinary diseases, haemorrhoids, stomach ache; syrup for hoarseness, whooping cough and chest complaints.
CautionAsia · Herb · № 775
Combretum indicum (syn. Quisqualis indica)
Traditionally attributed effects: was used against roundworms and for poor digestion in children.
CautionSouth America · Herb · № 915
Krameria lappacea (syn. Krameria triandra)
A low shrub that is partly parasitic on the roots of other plants. The red root is rich in tannins and is therefore astringent. In Europe rhatany root is listed in the pharmacopoeia and used in mouthwashes and gum remedies.
CautionAsia · Herb · № 181
Rauvolfia serpentina
The root contains reserpine, which lowers blood pressure and has a sedative effect. In the 1950s reserpine was one of the first modern antihypertensives and antipsychotics, but it has largely been replaced by drugs with fewer side effects.
CautionAsia · Herb · № 673
Rehmannia glutinosa
Traditionally attributed effects: raw it cools the blood and nourishes yin; prepared (steamed with wine) it nourishes the blood and the kidney yin.
CautionAsia · Mushroom · № 690
Calvatia gigantea (en Lasiosphaera fenzlii)
Traditionally attributed effects: cools lung fire in sore throat and hoarseness; the spore powder stops bleeding externally.
CautionSouth America · Herb · № 888
Equisetum giganteum
A large horsetail, rich in silica. Traditionally used as a diuretic, like European field horsetail; good evidence is lacking.
CautionAsia · Food · № 408
Alocasia macrorrhiza
Traditionally attributed effects: aids digestion, laxative, diuretic, promotes milk flow; for colic, constipation, haemorrhoids, oedema, worms, mouth ulcers, scorpion stings.
CautionAsia · Herb · № 696
Rhaponticum uniflorum
Traditionally attributed effects: reduces hot swellings, especially in the breast, and promotes milk flow.
CautionAsia · Herb · № 669
Phragmites australis (syn. P. communis)
Traditionally attributed effects: cools heat and moistens in thirst, cough with yellow phlegm, vomiting from stomach heat and painful urination.
CautionAsia · Food · № 267
Oryza sativa
Traditionally attributed effects: easily digestible, the basis of healing food; good for skin and hair.
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 · № 323
Ulmus rubra (syn. U. fulva)
Traditionally attributed effects: soothing, nourishing, astringent.
CautionAsia · Herb · № 346
Pterocarpus santalinus
Traditionally attributed effects: antipyretic, fever-reducing, aphrodisiac, astringent, bitter, cooling, induces sweating, expels worms; for chronic dysentery, bleeding haemorrhoids, bile complaints, skin diseases.
CautionEurope · Herb · № 89
Rosa spp.
Rose hips are rich in vitamin C; a hip powder has been studied for osteoarthritis with modest results. Rose water and oil are used in skin care and as fragrance.
CautionSouth America · Herb · № 1012
Colletia spinosissima
A thorny shrub with green thorns set crosswise and hardly any leaves. It lives together with nitrogen-fixing Frankia bacteria. The bark contains saponins; little has been studied about its effect in people.
CautionAfrica · Herb · № 399
Achyranthes aspera
Traditionally attributed effects: astringent, diuretic, cleansing, antipyretic, laxative; for oedema from the kidneys, bronchial complaints, leprosy, stomach ache, haemorrhoids, boils, incipient diarrhoea; abortifacient in high doses.
CautionAsia · Herb · № 321
Carthamus tinctorius
Traditionally attributed effects: laxative, diuretic, anti-inflammatory.
CautionEurope · Herb · № 45
Salvia officinalis
A culinary herb. A few small studies suggest possible effects on memory and blood lipids, but evidence is limited.
CautionNorth 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).
CautionAsia · 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.
CautionAsia · Herb · № 650
Saposhnikovia divaricata
Traditionally attributed effects: expels wind; for muscle pain, painful diarrhoea, rheumatic complaints and cramps.