General:
Perennial, mildly aromatic, evergreen shrub; stems solitary or branched from the base with shredding, grey or light brown bark when older or with a dense, grooved, white-woolly hairiness on the twigs, 20-80 cm tall.

Leaves:
Principal leaves short-stalked, grey-hairy, deeply divided into 3 linear or narrowly lanceolate lobes which may sometimes be 3-cleft or some of the leaves linear and entire, 0.5-3.0 cm long.

Flowers:
Heads discoid, numerous in a narrowly to broadly branched inflorescence; involucres bell-shaped, 3-4 mm tall; involucral bracts grey-hairy, the inner ones oblong, the outer broadly egg-shaped, sometimes with a narrow herbaceous tip; receptacles glabrous; female flowers lacking; disk flowers 4-7 (rarely more).

Fruits:
Achenes resinous-granular.

Source:  The Illustrated Flora of British Columbia

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 tridentata subsp. trifida (Nutt.) H.M. Hall & Clem.
Artemisia trifida Nutt.
Seriphidium tripartitum (Rydb.) W.A. Weber