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mayweed chamomile, stinking chamomile, dogfennel

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

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.
[WildflowerSearch map]
[BONAP county map]
Origin Introduced from Europe
Conservation status Not of concern
Sibling taxa
A. arvensis
Web links