Anthemis cotula |
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mayweed chamomile, stinking chamomile, dogfennel |
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Habit | Ill-smelling, glabrous, branched annual, 1-6 dm. tall. |
Leaves | Leaves 2-6 cm. long, 2 or 3 times pinnatifid, with very narrow segments. |
Flowers | Heads fairly numerous, short-pedunculate at the ends of the branches, the disk 5-10 mm. wide, becoming ovoid at maturity; involucre with a few soft hairs, the bracts imbricate, dry, their margins papery; rays 10-20, white, sterile and neutral, 5-11 mm. long; disk flowers perfect, yellow; receptacle chaffy only towards the middle, its firm, narrow, awn-shaped bracts tapering to the apex; pappus none. |
Fruits | Achenes sub-terete, 10-ribbed, with small glandular bumps. |
Anthemis cotula |
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Flowering time | May-October |
Habitat | Roadsides, fields, ditches, wastelots, and other disturbed areas generally at low elevations. |
Distribution | Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
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Origin | Introduced from Europe |
Conservation status | Not of concern |
Sibling taxa | |
Web links |
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