Caulophyllum thalictroides Blue Cohosh

Caulophyllum thalictroides Blue Cohosh (Caulophyllum thalictroides).
Parts usedRoot/rhizome
PreparationsTincture (low dose).
Primary actionsUterine tonic/stimulant (historical midwifery use)
SystemsReproductive
NotesPotent herb historically used in obstetric settings; modern use only with expert supervision.
Avoid in pregnancy unless under professional guidance.