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Plants of fields, roadsides, open disturbed areas; often escaped from cultivation.  Flowers May to August.  Not native..

Annual.  Taprooted.  Ill-scented.  Stems are sharply ascending to erect (i.e., not reclining); glabrous to glabrate-puberulent and minutely gland-dotted.  Typical height is from 1 to 2 feet.  

Inflorescences consist of from 1 to 2 flower heads borne on long peduncles atop branches

Flower heads are radiateRay florets are white, sterile or neuterDisc florets are yellow, bisexual and fertile.  Receptacles bear  chaffy scales only toward the center of the disc.  Receptacles  become conical at maturity.  Involucres are saucer-shaped.

Basal leaves are usually withered by flowering.  Stem leaves are oblanceolate, twice dissected.

Cypselae are minutely gland-dotted and tuberculate.

 

 

Similar species:  Anthemis arvensis, Leucanthemum vulgare and Tanacetum parthenium.

 

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.Anthemis cotula
above:  habit
below: .flower heads
left:  leaves  and stem
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