xiuhtotonqui.

also known as "the hot herb from Tototepec;" this was a medicinal herb believed capable of curing worms in the human body, of expelling wind, comforting the stomach and chest, provoking menstruation and urination, curing dropsy, and taking care of "humors" from the "French disease" (syphilis)

The Mexican Treasury: The Writings of Dr. Francisco Hernández, ed. Simon Varey, transl. Rafael Chabrán, Cynthia L. Chamberlin, and Simon Varey (Stanford: Stanford University Press, 2000), 141.