Materia Medica

Gentianella quinquefolia stiff gentian with violet-blue flowers in a native streamside meadow
Agueweed / Stiff Gentian (Gentianella quinquefolia) — Five-Flowered Gentian / Gall-Weed
Agueweed / Stiff Gentian (Gentianella quinquefolia) materia medica covering botanical identity, name confusion with boneset, historical bitter-tonic use, preparations and historical dose context, evidence gaps, safety, native habitat, cultivation and... Read more...
Andrographis paniculata Kalmegh plant with leaves and flowers
Andrographis (Andrographis paniculata) — King of Bitters, Kalmegh
A whole-plant guide to andrographis, an intensely bitter herb used in Asian traditional medicine, covering identification, plant parts, traditional preparations, research context, cultivation and safety. Read more...