Ballota nigra Labiatae Habitat: Found growing wild throughout Europe, cultivated in Britain. Collection: The herb should be gathered just as it begins to bloom in July. Part Used: Dried aerial parts. Constituents: Diterpenoids, including marrubiin...
Rubus villosus Rosaceae Part Used : The bark of the root and rhizome Collection : Constituents : 20% Tannin, gallic acid, saponins including villosin. Actions : Astringent Indications : An excellent, safe and gentle astringent remedy that can be...
Fucus vesiculosus Fucaceae Names : Kelp, Seawrack, Kelpware, Black-tang, Bladder Fucus, Cutweed. Habitat : A seaweed common in colder waters. Part Used : The whole plant. Constituents : Phenolic compounds, phloroglucinol, its dehydropolymerization...
Sanguinaria 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...
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 :...
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...
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...
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...
David L. Hoffmann BSc Hons MNIMH