Synonym:  Chrysanthemum leucanthemum  L.

              

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Perennials.  Plants tending to form multi-stemmed, compact colonies from short rhizomes.  Typical height is 1 to 2.5 feet.

Inflorescences consist of from 1 to 2 showy flower heads borne atop slender, mostly unbranched, leafy stems.  Peduncles are long and leafless.

Flower heads are radiateRay florets are white, pistillate and fertile.  Disc florets are yellow, bisexual and fertile.  Involucres are saucer-shaped.  Margins and tips of involucral bracts are thin and  vary from translucent to brown (i.e., lacking chlorophyll).  Involucral bracts are persistent in fruit.

Leaves are basally-disposed, the basal often present at flowering.  Stem leaves are lanceolate or oblanceolate, irregularly toothed or lobed, becoming linear upwards.

Cypselae are narrowly obovoid, 10-ribbed, the summits bearing a minute crown.

Plants of fields, roadsides, open disturbed areas.  Flowers June to July.  Not native.

 

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Similar species:  Anthemis arvensis, Anthemis cotula and Bellis perennis.

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