Materia Medica

Adonis vernalis Spring Pheasant's Eye with bright yellow flowers and fine divided foliage in natural habitat
Adonis / Spring Pheasant’s Eye (Adonis vernalis) — Spring Adonis / Oxeye
Adonis / Spring Pheasant’s Eye (Adonis vernalis) materia medica covering botanical identity, historical cardiotonic and diuretic use, documented historical preparations and doses, cardenolide chemistry, toxicology, reproductive record, cultivation, propagation, harvesting,... Read more...
Yellow Root (Xanthorhiza simplicissima) — Shrub Yellowroot, Brook-Feather
Yellow root (Xanthorhiza simplicissima) is a native eastern North American shrub with intensely yellow, berberine-containing roots and a documented history in Cherokee, Catawba and Appalachian plant use. This guide covers correct identification, traditional uses, phytochemistry, research limits, cultivation, sustainable sourcing and safety. Read more...