David L. Hoffmann BSc Hons MNIMHSanguinaria canadensis Papaveraceae Names : Red Root, Red Indian Paint, Tetterwort. Habitat : N. America and Canada. Collection : The rhizome is unearthed in early summer (May to June) or in autumn when the leaves have dried. It should be dried...
Caulophylum thalictroides Berberidaceae Names : Papoose Root, Squawroot Habitat : USA Collection : The roots and rhizome are collected in the autumn, as at the end of the growing season they are richest in natural chemicals. Part Used : Root &...
Iris versicolor Iridaceae Habitat : Eastern and Central North America, growing in marshy places, producing distinctive blue flowers in spring. Commonly grown in Britain as an ornamental. Collection : The rhizome is best collected in the autumn. Part...
Chelone glabra Part Used : Dried aerial parts Constituents : Very little work has been carried out on this plant. Resins and bitters only have been reported. Actions : Cholagogue, hepatic, anti-emetic, stimulant, laxative. Indications : Balmony is...
Menyanthes trifoliata Menyanthaceae Names : Buckbean, Marsh Trefoil. Habitat : Marshy ground in Britain and Europe. Collection : The leaves are best collected between May and July. The maybe dried in the sun or under moderate heat. Part Used :...
Berberis vulgaris Part Used : Bark of root or stem Constituents : Alkaloids of the isoquinoline type, mainly berberine, berbamine and derivatives, berberrubine, bervulcine, columbamine, isotetrandrine, jatrorrhizine, magnoflorine, oxycanthine and...
Peumus boldo Part Used : Dried leaves. Constituents : Alkaloids, of the isoquinoline type, up to 0.75%, including boldine, isocorydine, N-methyllaurotetanine, norisocorydine, isoboldine, laurolitsine, reticuline & others Volatile oil, containing...
Myrica cerifera Part Used: Bark of root Constituents: The whole complex of primary plant constituents and a characteristic array of secondary plant constituents are present. Pharmacologically important constituents include: triterpenes, flavonoids...
Eupatorium perfoliatum Compositae Names : Feverwort Habitat : N. America Collection : Boneset should be collected as soon as the flowers open in August or September. Part Used : Dried aerial parts Constituents : Sesquiterpene lactones ; eupafolin...
Arctostaphylos uva-ursi Ericaceae Names : Uva Ursi Habitat : Britain, Central and Northern Europe, North America. Collection : The evergreen leaves may be collected throughout the year, but preferably in spring and summer. Part Used : The leaves...
