E-Flora BC: Electronic Atlas of the Flora of British Columbia

Anthemis cotula L.
stinking chamomile (mayweed)
Asteraceae (Aster family)

Introduction to Vascular Plants

© Bryan Kelly-McArthur  Email the photographer   (Photo ID #70260)

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Distribution of Anthemis cotula
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Species Information

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Annual, ill-scented herb from a taproot; stems erect, leafy, simple or branched, essentially glabrous, 10-60 cm tall.
Alternate, 2-3 times divided into narrow, sparsely hairy, glandular dotted segments.
Heads solitary at ends of uppermost branches; involucres broad; involucral bracts in several rows, overlapping, firm, narrow, with a thickened midrib and translucent margins; receptacles with papery scales only in the middle; ray flowers white, sterile and generally neutral, commonly 10-20, 5-10 mm long; disk flowers yellow, numerous.
Achenes slightly flattened, 10-ribbed, glandular bumpy; pappus lacking.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry roadsides and disturbed sites in the lowland and montane zones; common in S BC, less frequent N of 54degreeN; introduced from Europe.

Source: The Illustrated Flora of British Columbia


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Maruta cotula (L.) DC.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References