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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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014



any of various composite plants, as Erigeron philadelphicus, reputed to destroy or drive away fleas.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.fleabane - hairy perennial Eurasian herb with yellow daisylike flowers reputed to destroy or drive away fleasfleabane - hairy perennial Eurasian herb with yellow daisylike flowers reputed to destroy or drive away fleas
genus Pulicaria, Pulicaria - genus of temperate Old World herbs: fleabane
herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
2.fleabane - any of several North American plants of the genus Erigeron having daisylike flowers; formerly believed to repel fleas
wild flower, wildflower - wild or uncultivated flowering plant
Erigeron, genus Erigeron - cosmopolitan genus of usually perennial herbs with flowers that resemble asters; leaves occasionally (especially formerly) used medicinally
blue fleabane, Erigeron acer - widespread weed with pale purple-blue flowers
daisy fleabane, Erigeron annuus - widely naturalized white-flowered North American herb
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
Erigeron speciosus, showy daisy - plant having branching leafy stems each branch with an especially showy solitary flower head with many narrow pink or lavender or white rays; northwestern United States mountains
3.fleabane - common North American weed with linear leaves and small discoid heads of yellowish flowersfleabane - common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron
Conyza, genus Conyza - common American weed or wildflower
weed - any plant that crowds out cultivated plants
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Kochia (Kochia scoparia), Canada fleabane (Conyza canadensis), and both common and giant ragweed (Ambrosia artemisiifolia and Ambrosia trifida, respectively) are four resistant species resident in Canada; and of these, kochia and Canada fleabane are present in the Okanagan.
Erigeron annuus (L.) Pers.; Eastern daisy or annual fleabane, whitetop; Old-fields; Abundant and widespread; C = 0; BSUH 17740.
The adults nectar from flowers including fogfruit, salt marsh fleabane, blue mistflower, thistle, verbena, red clover, and sweet pepperbush.
Cadmium accumulation and its effect on the in vitro growth of woody fleabane and mycorrhized white birch.
Dim llun 'nai ofn, ond mae Fitter a Fitter (a llun ar y we) yn dangos mai Mexican Fleabane (Erigeron mucronatus) oedd y blodyn.
fleabane, sweet Cicely, daisy, fire pink, common plantain, white clover,
Rose 25 Setaria pumila Yellow foxtail * 26 Antennaria parlinii Pussytoes 27 Aster ericoides Heath aster 28 Carex bicknellii Bicknell's sedge 29 Plantago lanceolata Narrow-leaved plantain * 30 Asclepias syriaca Common milkweed 31 Rubus allegheniensis Highbush blackberry 32 Erigeron annuus Daisy fleabane 33 Eragrostis spectabilis Purple lovegrass 34 Vitis spp.
The common fleabane develops 243,000 seeds per mature plant.
Summer is the time to photograph Britain's wetland plants, such as marsh marigold, yellow water lily, devil's-bit scabious and common fleabane, as well as the insects that alight upon them: butterflies such as the marsh fritillary and swallowtail, and numerous dragonflies and damselflies.
Other flowers include heath spotted orchids in June, greater bird's foot trefoil and black knapweed in July and fleabane, great burnet and devil's bit scabious in August.
Plant species References Family Apiaceae Golden Alexanders (Zizia aurea) Robertson (1928) Family Asteraceae Yarrow (Achillea millefolium) Vaurie (1948) Ragweed (Ambrosia artermisiaefolia) Vaurie (1948) Ragweed (Ambrosia trifida) Girault (1907); Vaurie (1948); Wildermuth & Gates (1920) Burdock (Arctium mus) Vaurie (1948) Daisy (Leucanthemum sp.) Girault (1907; Vaurie (1948); Wildermuth & Gates (1920) Ox-eye daisy (Chrysanthemum Wildermuth & Gates (1920) leucanthemum) Thistle (Cnicus (=Cirsium) Vaurie (1948) altissimus) Canadian fleabane (Erigeron Vaurie (1948) canadense) Daisy fleabane (Erigeron ramosus Vaurie (1948) or E.