A European aromatic perennial herb, Tanacetum parthenium (or Chrysanthemum parthenium or Pyrethrum parthenium), having daisy-like flowers; valued as a traditional medicine especially for headaches
bushy aromatic European perennial herb having clusters of buttonlike white-rayed flower heads; valued traditionally for medicinal uses; sometimes placed in genus Chrysanthemum
A perennial plant (Pyrethrum, or Chrysanthemum, Parthenium) allied to camomile, having finely divided leaves and white blossoms; so named from its supposed febrifugal qualities