David L. Hoffmann BSc Hons MNIMHBaptisia tinctoria Leguminosae Names: Indigoweed Habitat: Indigenous to Canada and the USA Collection: The root is unearthed in the autumn after flowering has stopped. Clean the root and cut, dry well. Part Used: Root. Constituents: Isoflavones;...
Lactuca virosa Compositae Names: Lettuce Opium Habitat: Indigenous to Central and Southern Europe and Northern Asia, cultivated elsewhere. Collection: The leaves should be gathered in June and July. Part Used: Dried leaves. Constituents: Lactucin, a...
Hypericum perforatum Hypericaceae Habitat: A native European , including British, plant. Collection: The entire plant above ground should be collected when in flower and dried as quickly as possible. Part Used: Aerial parts. Constituents: Essential...
Collinsonia canadensis Labiatae Habitat: Canada. Collection: Roots and rhizome are unearthed in the autumn. Part Used: Root and rhizome. Constituents: * Essential oil * Tannins * Saponins * Alkaloid *Resins * Organic acid Actions: Anti-lithic...
Drosera rotundifolia Droseraceae Habitat: Grows throughout Europe on wet heaths, moors and sphagnum bogs, especially in Wales. Collection: The whole of the plant is gathered during the flowering period in July or August. Part Used: Entire plant...
Viola odorata Violaceae Names: Violet. Habitat: Widely found in Europe and Asia. Collection: The leaves and flowers are gathered in the spring, in March and April. Dry with care. Part Used: Leaves and flowers. Constituents: Phenolic glycosides...
Tanacetum vulgare Compositae Names: Batchelor’s Buttons Habitat: A common European wild plant. Collection: The leaves and flowers are collected during the flowering time between June and September. Part Used: Aerial parts. Constituents:...
Salvia officinalis var. rubia Labiateae Names: Garden Sage Habitat: Native to Mediterranean region, cultivated worldwide. Collection: The leaves should be gathered shortly before or just atthe beginning of flowering in dry sunny weather in May or...
Thymus vulgaris Labiatae Names: Common Thyme, Garden Thyme Habitat: Thyme is indigenous to the Mediterranean region, and cultivated widely.. Collection: The flowering branches should be collected between June and August on a dry sunny day. The...
Rheum palmatum Part Used: Rhizome of Rheum palmatum and other species, not the garden rhubarb. Constituents: Anthraquinone derivatives such as chrysophanic acid (=chrysophanol),emodin, aloe-emodin, rhein & physcion, with their O-glycosides such...
