Stachys officinalis Identity & Plant Part
The botanical entity is Stachys officinalis (L.) Franch., wood betony or bishopwort, a perennial of the Lamiaceae that was formerly filed as Betonica officinalis, with a hairy, square stem and whorls of purple-pink flowers in a dense terminal spike. The part used is the aerial portion, meaning leaf, stem and flowering spike. Roots are not part of this ingredient.
The common name causes a real identity problem, because in North America wood betony often refers to Pedicularis canadensis, an unrelated lousewort. Neither plant should be substituted for the other. Stachys officinalis carries phenylethanoid glycosides such as verbascoside, flavonoids, iridoid glycosides, stachydrine-type alkaloids and tannins, named here as families only.












