Answer: dittany

AnswerCrossword Clue
dittanyNorth American plant, Cunila origanoides, of the mint family, bearing clusters of purplish flowers
dittanyplant, Dictamnus albus, of the rue family, native to Eurasia, having clusters of white or reddish flowers and strong-smelling foliage that emits a flammable vapor
dittanya perennial herb