North America · Herb · № 630
California figwort
Scrophularia californica, S. lanceolata
Traditionally attributed effects: cools heat in the blood and nourishes yin, drains damp heat and disperses swellings.
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.
North America · Herb · № 630
Scrophularia californica, S. lanceolata
Traditionally attributed effects: cools heat in the blood and nourishes yin, drains damp heat and disperses swellings.
North America · Herb · № 627
Aralia californica
Traditionally attributed effects: opens the surface in wind-cold and fever without sweating, warms the lung and stops cough with abundant white or clear phlegm, and (roasted with honey) strengthens the energy of lung and spleen.
North America · Herb · № 978
Umbellularia californica
An evergreen tree of the laurel family with strongly scented leaves. The leaf contains umbellulone, which causes headache when inhaled and is poisonous in large amounts.
North America · Herb · № 286
Eschscholzia californica
Traditionally attributed effects: pain-relieving, sleep-inducing, calming.
Central America and the Caribbean · Herb · № 928
Turnera diffusa
A small, woody shrub with small, strongly scented leaves and yellow flowers. Contains flavonoids such as apigenin and acacetin, terpenes and a small amount of cyanogenic glycosides. Considered mildly calming and uplifting; which substances cause this is not known.
North America · Food · № 979
Notholithocarpus densiflorus
An evergreen tree of the beech family, between oak and chestnut. The acorns are nourishing but bitter with tannins, which must first be leached out.
North America · Herb · № 823
Salvia apiana
An aromatic sage burned in ceremonies by Indigenous peoples of California.
North America · Herb · № 955
Glycyrrhiza lepidota
A legume with long, tough, sweet roots, related to true licorice. The root tastes of licorice; it contains less glycyrrhizin than Glycyrrhiza glabra.
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 · № 631
Angelica breweri, A. arguta, A. hendersonii
Traditionally attributed effects: expels wind, dampness and cold in stiff, painful joints, opens the surface in wind-cold and moves qi and blood in pain.
Oceania · Herb · № 172
Eucalyptus globulus
Eucalyptus oil is used for coughs and blocked noses with colds and externally for muscle pain; the European Medicines Agency recognises these as traditional uses. Strong clinical evidence is limited.
North America · Herb · № 170
Grindelia camporum
The sticky herb was traditionally used for coughs, asthma and bronchitis, and externally for poison-ivy rashes. Clinical evidence is lacking.
North America · Herb · № 970
Lomatium nudicaule (in Boas: Peucedanum)
An umbellifer with blue-green leaves and yellow umbels. The seeds are strongly aromatic; related lomatiums are being studied for antiviral effects.
Africa · Herb · № 337
Cyperus rotundus
Traditionally attributed effects: carminative, pain-relieving, antispasmodic for the uterus, promotes the flow of qi.
North America · Other · № 388
Limnanthes alba
Traditionally attributed effects: nourishing carrier oil.
North America · Herb · № 629
Ephedra viridis, E. nevadensis, E. californica
Traditionally attributed effects: opens the surface in wind-cold with sneezing and a watery nose, mildly eases wheezing and promotes urination.
North America · Herb · № 153
Ligusticum porteri, L. sinense en L. wallichii
The root is traditionally used for sore throats, coughs and early colds. There is virtually no clinical research.
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 · № 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 · № 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 · № 45
Salvia officinalis
A culinary herb. A few small studies suggest possible effects on memory and blood lipids, but evidence is limited.
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.
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.
North America · Herb · № 969
Tsuga heterophylla
A large conifer with a drooping top and short, flat needles. The bark is very rich in tannins; the young needles contain vitamin C.
North America · Herb · № 977
Lomatium californicum (syn. Leptotaenia californica)
An umbellifer with large, blue-green, celery-like leaves and a strongly scented root. Related to oshá; little studied.
North America · Food · № 965
Zizania palustris (en Z. aquatica)
An aquatic grass, not true rice. The long, dark grain contains more protein and fibre than white rice.
Central America and the Caribbean · Herb · № 632
Anemopsis californica
Traditionally attributed effects: expels wind and dampness in joint pain that worsens in cold, wet weather, opens blocked sinuses and dries dampness in slow-healing wounds and swellings.
North America · Herb · № 973
Rubus spectabilis
A bramble with pink flowers and yellow-orange to red berries. Leaves and bark contain tannins and are astringent.
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.