Anthemis arvensis L.
common chamomile (corn chamomile)
Asteraceae (Aster family)
Introduction to Vascular Plants
common chamomile (corn chamomile)
Asteraceae (Aster family)
Introduction to Vascular Plants
Species Information
General:
Annual, aromatic herb from a taproot; stems erect, leafy, simple or branched, hairy, 10-60 cm tall.
Leaves:
Alternate, 2 times divided into narrow, linear segments.
Flowers:
Heads solitary at ends of uppermost branches; involucres broad; involucral bracts in several rows, overlapping, firm, long-hairy, oblanceolate, with abruptly sharp-pointed tips; receptacles with papery scales throughout; ray flowers white, female and fertile, commonly 15-20, 7-13 mm long; disk flowers yellow, numerous.
Fruits:
Achenes quadrangular, 8- to 10-ribbed, the ribs smooth; pappus a minute crown or lacking.
Illustration
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Habitat and Range
Dry roadsides and disturbed areas in the lowland and montane zones; frequent in extreme SW BC, rare in SE BC; introduced from Europe.Status Information
Synonyms
Synonyms and Alternate Names:
Anthemis arvensis var. agrestis (Wallr.) DC.
Taxonomic Keys
1. Rays yellow........................................................................A. tinctoria
1. Rays white. 2. Receptacles papery throughout, achenes with smooth ribs..................A. arvensis 2. Receptacles papery only above the middle; achenes with glandular-tuberculate (bumpy) ribs..................A. cotula Source: Illustrated Flora of British Columbia |