Which herb has thujone and flavonoids, with antimicrobial, anthelmintic, and emmenagogue actions?

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Tanacetum vulgare, commonly known as tansy, is the herb that contains thujone and flavonoids and shows antimicrobial, anthelmintic, and emmenagogue actions. Thujone is a volatile constituent of tansy essential oil and helps drive its antimicrobial and anthelmintic effects, while flavonoids contribute to broad antimicrobial activity. Historically, tansy has been used to expel worms and to promote menstrual flow, though its use must be cautious because thujone can be toxic at higher doses. The other herbs don’t combine these features in the same way: sage does have thujone and antimicrobial activity but isn’t primarily noted as an emmenagogue; Prunus africana is used for urinary concerns and reproductive health in a different context; Rhamnus frangula is a laxative and lacks thujone.