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(ɪˈrɪdʒərən; -ˈrɪɡ-)
(Plants) any plant of the genus Erigeron, whose flowers resemble asters but have narrower rays: family Asteraceae (composites). See also fleabane1
[C17: via Latin from Greek, from ēri early + gerōn old man; from the white down characteristic of some species]


(ɪˈrɪdʒ əˌrɒn, -ər ən)

any composite plant of the genus Erigeron, having asterlike flower heads but with narrower and usu. more numerous white or purple rays.
[1595–1605; < Latin ērigeron the plant groundsel < Greek ērigérōn]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.erigeron - cosmopolitan genus of usually perennial herbs with flowers that resemble astersErigeron - cosmopolitan genus of usually perennial herbs with flowers that resemble asters; leaves occasionally (especially formerly) used medicinally
asterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubs
aster family, Asteraceae, Compositae, family Asteraceae, family Compositae - plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinnia
fleabane - any of several North American plants of the genus Erigeron having daisylike flowers; formerly believed to repel fleas
References in periodicals archive ?
However, none has examined the both effects of interspecific competition on a worst alien invasive plant Erigeron annuus.
Don't forget rock plants such as armeria maritima, aubrieta, dianthus alpinus, phlox subulata, stachys, osteospermum jucundum, erigeron karvinskianus, and iris pumila.
MEXICAN fleabane, also known as Erigeron karvinskianus, has an unusual two-tone effect with its masses of small daisies emerging white then turning pink with yellow centres.
Amaranthaceae) Erigeron -- 3 [+ o -] 7 bonariensis L.
Dominant plants at this location were Epilobium ciliatum (willow-herb), Erigeron [Conyza] canadensis (horseweed), and Juncus spp.
The following plant species were identified: Amaranthus retroflexus, Artemisia vulgaris, Erigeron canadensis, Sisymbrium loeselii and Cucurbita pepo.
The most common herbs were Arenaria serpyllifolia, Capsella bursapastoris, Cardamine hirsuta, Cichorium intybus, Claytonia virginica, Conium maculatum, Conyza canadensis, Draba verna, Erigeron annuus, Galinsoga quadriradiata, Geum canadense, Impatiens pallida, Lepidium virginicum, Medicago lupulina, Oxalis stricta, Plantago lanceolata, P.
Often, sickness and being-out-of-place seem to collude, as in the figure of an old man sitting like a thicket of horseweed by the riverbank: "he had a mild case of dementia rather like Erigeron canandensis.
There are a few exceptions, such as the little Mexican daisy, Erigeron karvinskianus, which has established itself in the south-west of England and, increasingly, on walls further north.