fe·ver·few /ˈfivɚ/
  菊科植物
  Fe·ver·few n.  Bot. A perennial plant (Pyrethrum Parthenium, or Chrysanthemum Parthenium) allied to camomile, having finely divided leaves and white blossoms; -- so named from its supposed febrifugal qualities.
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  feverfew
       n : bushy aromatic European perennial herb having clusters of
           buttonlike white-rayed flower heads; valued traditionally
           for medicinal uses; sometimes placed in genus
           Chrysanthemum [syn: Tanacetum parthenium, Chrysanthemum
           parthenium]