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...
Borago officinalis Boraginaceae Habitat: Indigenous to Great Britain, Europe, and North Africa, naturalized in North America. Collection: The leaves should be gathered when the plant is coming into flower in the early summer. Strip each leaf off...
Betula alba Betulaceae Names : White Birch. Habitat : Commonly found in woods in Britain and Europe. Collection : The leaves are collected in late spring or summer. When collecting the bark, it is important not to ring-bark the tree, in other words...
David L. Hoffmann BSc Hons MNIMH