David L. Hoffmann BSc Hons MNIMHZanthoxylum americanum Rutaceae Names: Tootheache Tree Habitat: Canada and the USA. Collection: The berries are collected in late summer and the bark isstripped from the stems of this shrub in the spring. Part Used: The bark and berries...
Trifolium pratense Papilionaceae Habitat: Widely distributed throughout Europe including Britain, naturalized in N. America and many other parts of the world. Collection: The flowerheads are gathered between May and September. Part Used: Flowerheads...
Lobelia inflata Campanulaceae Common name: Pukeweed, Indian tobacco. Habitat: Eastern USA, cultivated elsewhere. Part used: Aerial parts. Collection: The entire plant above ground should be collected at the end of the flowering time, between August...
Pulmonaria officinalis Boraginaceae Habitat: Shady places throughout Europe including Britain, cultivated in gardens. Part used: Leaves. Collection: The leavres should be gathered during and after flowering, between March and September...
Ephedra sinica Ephedraceae Names: Ephedra Habitat: China Collection: Gather the young branches in the autumn before the first frost, as the alkaloid content is then highest. They may be dried in the sun. Part Used: Aerial stems. Constituents:...
Silybum marianum Part Used: The seeds. Constituents: Flavolignans; the mixture of these is known as “silymarin” and composed mainly of silybin (=silibinin), with isosilybin, dihydrosilybin, silydianin, silychristin, and in some varieties...
Leonurus cardiaca Labiatae Names: Lion’s Tail. Habitat: Throughout Europe and occasionally in Britain. Collection: The stalks should be gathered at the time of flowering, which is between June and September. Part Used: Aerial parts...
Pilosella officinarum Compositae Common name: Hawkweed Habitat: A common British and European plant growing in sandy soil. Part used: Aerial parts. Collection: Mouse Ear should be collected when in flower between May andJune. Constituents:...
Artemisia vulgaris Compositae Collection: The leaves and flowering stalks should be gathered just at blossoming time, which is between July and September. Part Used: Leaves or root. Constituents: Volatile oil, containing linlool, l, 8-cineole...
Verbascum thapsus Scrophulariaceae Names: Aarons Rod, Great Mullein. Habitat: Native to Britain, Europe and parts of Asia. Collection: The leaves are collected in mid-summer before they turn brown, dry in the shade. The flowers are gathered between...
