any of several plants of the related genus Pulicaria, esp the Eurasian P. dysenterica, which has yellow daisy-like flower heads - Canadian fleabane ⇒
a related plant, Conyza (or Erigeron) canadensis, with small white tubular flower heads
US name: horseweed any of various other plants reputed to ward off fleas
WordReference Random House Unabridged Dictionary of American English © 2026
flea•bane
(flē′bān′),USA pronunciation n.
- Plant Biologyany of various composite plants, as Pulicaria dysenterica, of Europe, or Erigeron philadelphicus, of the U.S., reputed to destroy or drive away fleas.
- flea + bane 1540–50
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'fleabane' also found in these entries (note: many are not synonyms or translations):