fleabane

noun

1. hairy perennial Eurasian herb with yellow daisylike flowers reputed to destroy or drive away fleas

   noun.plant

   Synonyms feabane mullet pulicaria dysenterica

   Source: WordNet 3.0

2. any of several North American plants of the genus Erigeron having daisylike flowers; formerly believed to repel fleas

   noun.plant

   Source: WordNet 3.0

3. common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron

   noun.plant

   Synonyms canadian fleabane conyza canadensis erigeron canadensis horseweed

   Source: WordNet 3.0

4. One of various plants, supposed to have efficacy in driving away fleas. They belong, for the most part, to the genera <i>Conyza</i>, <i>Erigeron</i>, and <i>Pulicaria</i>.

   noun

   Source: webster1913