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Published In: Species Plantarum 2: 894–895. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 7/9/2009)
Acceptance : Accepted
Project Data     (Last Modified On 7/9/2009)
Status: Introduced

 

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2. Anthemis cotula L. (Mayweed, dog fennel, stinking chamomile)

Pl. c–e; Map 940

Plants aromatic with an unpleasant odor. Stems 10–50(–80) cm long, erect or ascending, usually branched above the midpoint. Leaf blades 1–6 cm long, oblanceolate to elliptic or ovate, deeply 2 or 3 times pinnately lobed, the basal lobes sometimes appearing fascicled, the ultimate segments 0.5–4.0(–8.0) mm long. Heads mostly long-stalked, the stalks 3–8 cm long at flowering. Involucre 2.5–5.0 mm long. Receptacle with chaffy bracts confined to the central portion. Ray florets sterile, the corolla 5–9 mm long, sometimes inconspicuously glandular. Disc florets with the corolla 1.5–3.0 mm long, the lobes often minutely glandular. Fruits 1–2 mm long, the ribs appearing strongly cross-wrinkled or tubercled, often also with glands between the ribs. 2n=18. May–October.

Introduced, scattered nearly throughout the state (native of Europe, introduced widely in North America). Openings of bottomland forests, banks of streams and rivers, and rarely glades; also crop fields, fallow fields, orchards, barnyards, ditches, railroads, roadsides, and open, disturbed areas.

 
 


 

 
 
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