What Is Madder? Medicinal Parts, Identification, and Common Formulas
Madder comes from the dried root and rhizome of Rubia cordifolia, once used as a red dye and now a common TCM herb for cooling blood and resolving stasis. This article outlines its appearance, medicinal parts, how to distinguish it from Salvia and Red Peony, classic formulas like Gutong Decoction, and safety considerations, providing an objective reference for international readers.
