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n. pl. beto·nies
Any of several plants of the widespread genus Stachys in the mint family, especially S. officinalis, native to Eurasia and northern Africa and having spikes of usually reddish-purple flowers. It was formerly used as an herbal medicine. Also called wood betony, woundwort.


Agent derived from Stachys officinalis; suggested ability to lower blood pressure; completely unsubstantiated claims as valuable in therapy for asthma, bronchitis, toothache, and many more disorders.
Synonym(s): bishop's wort.
[L. betonicus, vettonicus, pertaining to the Vettones, an ancient people]

betony (beˑ·t·nē),

n Latin name:
Stachys officinalis L.; parts used: flowers, leaves; uses: seizure disorders, diarrhea, asthma, wounds, high blood pressure, kidney stones, palpitations; precautions: uterine stimulant, pregnancy, lactation, children, patients taking blood pressure medications; may cause hepatotoxicity. Also called
bishops wort or
wood betony.