David L. Hoffmann BSc Hons MNIMHScrophularia nodosa Scrophulariaceae Names: Rosenoble, Throatwort, Carpenter’s Square, Scrofula Plant. Habitat: A European and British wild plant. Collection: The stalks and leaves are gathered during flowering betweenJune and August. Part...
Turnera diffusa Turneraceae Names: Turnera aphrodisiaca Habitat: Southern USA, Mexico and parts of sub-tropical America andAfrica. Collection: The leaves and stems are gathered at the time off lowering. Part Used: Dried leaves and stems...
Taraxacum officinale Compositae Habitat: Widely distributed throughout most of the world as a “troublesome weed.” Collection: The roots are best collected between June and August when they are at their bitterest. Split longitudinally...
Harpagophytum procumbens Pedaliaceae Habitat: Indigenous to Southern and Eastern Africa. Collection: This plant grows in Africa in very arid conditions. The roots are collected at the end of the rainy season. Part Used: Rhizome. Constituents:...
Anethum graveolens Parts Used : Seeds. Collection : The seeds should be collected when fully ripe, that is when they have turned brown. They should be spread out to dry, not in artificial heat. Constituents : Volatile oil, consisting mainly of...
Echinacea spp. Compositeae Names: Purple Coneflower Habitat: Throughout North American prairies, plains, and open woodlands. Part Used: The root. Constituents: Echinacoside, in E. angustifolia but not E. purpurea.Research suggests that the...
Sambucus nigra Caprifoliaceae Names: Black Elder, European Elder. Habitat: Europe and the British Isles, commonly growing in hedges. Collection: The flowers are collected in spring and early summer and dried as rapidly as possible in the shade. The...
Inula helenium Compositae Names: Yellow Starwort Habitat: Indigenous to Europe and temperate Asia, naturalized in the USA, and cultivated widely in Europe and also China. Collection: The rhizome should be unearthed between September and October. The...
Eucalyptus globulus Myrtaceae Names: Blue Gum. Habitat: Victoria and Tasmania in Australia, cultivated in USA and Southern Europe etc. Collection: Part Used: Leaves, and the oil distilled from them. Constituents: Volatile oil, the major component of...
Gentiana lutea Part Used: The dried rhizome and root. Constituents: The whole complex of primary plant constituents and a characteristic array of secondary plant constituents are present. Pharmacologically important constituents include iridoids...
