Perennial aromatic herb from a stout rhizome; stems erect, simple or branched above, glabrous or nearly so below the inflorescence, hairy above, 0.5-1.5 m tall.
Stem leaves cleft nearly to the midrib in ascending, abruptly sharp-pointed, unequal segments which are again toothed or more deeply cleft, and usually with 1-2 pairs of stipule-like lobes at the base, sometimes becoming entire above, green and glabrous above or nearly so, densely white-woolly below, mostly 5-10 cm long, 3-7 cm wide.
Heads disciform, numerous in a generally ample, leafy, branched inflorescence; involucres bell-shaped, 3.5-4.5 mm tall; involucral bracts broadly lanceolate, densely woolly; receptacles glabrous; female flowers 6-12; disk flowers 8-18.
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
Synonyms and Alternate Names:
Artemisia campestris var. douglasiana (Besser) B. Boivin
Artemisia ludoviciana var. mexicana (Willd. ex Spreng.) A. Gray
Artemisia mexicana Willd. ex Spreng.
Artemisia neomexicana Greene ex Rydb.
Artemisia vulgaris subsp. heterophylla (Nutt.) H.M. Hall & Clem.
Artemisia vulgaris subsp. michauxiana (Besser) H. St. John
Artemisia vulgaris var. coarctata Forselles ex Besser
Artemisia vulgaris var. douglasiana (Besser) H. St. John
Artemisia vulgaris var. mexicana (Willd. ex Spreng.) Torr. & A. Gray