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Any of various plants in the composite family, chiefly of the genus Erigeron, having variously colored, many-rayed flower heads, and formerly believed to repel fleas.
1. (Plants) any of several plants of the genus Erigeron, such as E. acer, having purplish tubular flower heads with orange centres: family Asteraceae (composites)
2. (Plants) any of several plants of the related genus Pulicaria, esp the Eurasian P. dysenterica, which has yellow daisy-like flower heads
3. (Plants) Canadian fleabane a related plant, Conyza (or Erigeron) canadensis, with small white tubular flower heads. US name: horseweed
4. (Plants) any of various other plants reputed to ward off fleas
any of various composite plants, as Erigeron philadelphicus, reputed to destroy or drive away fleas.
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|Noun||1.||fleabane - hairy perennial Eurasian herb with yellow daisylike flowers reputed to destroy or drive away fleas|
|2.||fleabane - any of several North American plants of the genus Erigeron having daisylike flowers; formerly believed to repel fleas|
Erigeron, genus Erigeron - cosmopolitan genus of usually perennial herbs with flowers that resemble asters; leaves occasionally (especially formerly) used medicinally
Erigeron aurantiacus, orange daisy, orange fleabane - mat-forming herb of Turkestan with nearly double orange-yellow flowers
Erigeron divergens, spreading fleabane - well-branched plant with hairy leaves and stems each with a solitary flower head with narrow white or pink or lavender rays; western North America
beach aster, Erigeron glaucous, seaside daisy - slightly succulent perennial with basal leaves and hairy sticky stems each bearing a solitary flower head with narrow pink or lavender rays; coastal bluffs Oregon to southern California
Erigeron philadelphicus, Philadelphia fleabane - especially pretty plant having a delicate fringe of threadlike rays around flower heads having very slender white or pink rays; United States and Canada
Erigeron pulchellus, robin's plantain - common perennial of eastern North America having flowers with usually violet-purple rays
|3.||fleabane - common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron|
weed - any plant that crowds out cultivated plants