© Alfred Cook (Photo ID #8284)
Perennial, aromatic herb, usually rhizomatous, 30-120 cm tall; stems erect, densely hairy, simple or branched above.
Alternate, linear, 2-15 cm long, incised, the divisions finely toothed, gradually reduced upwards.
Heads few to many, in short, flat or round-topped clusters; involucral bracts with pale to dark margins; ray flowers usually 7-12, 1-3 mm long, white; disk flowers 15-30.
Achenes glabrous, 1-2 mm long; pappus lacking.
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
||Value / Class
Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
of field plots
species was recorded in:
BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in
Source: Klinkenberg 2013
Synonyms and Alternate Names:
Achillea multiflora Hook.
Achillea sibirica Ledeb.
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