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

General:
Annual herb from a fibrous root; stems erect, simple or branching, white-woolly, 3-50 cm tall.

Leaves:
Basal leaves lacking; stem leaves alternate, entire, linear, abruptly sharp-pointed, up to 4 cm long and 5 mm wide, white-woolly.

Flowers:
Heads disciform, numerous in tight clusters towards the ends of branches, egg-shaped to conic until mature, 3-5 mm tall; involucres scanty; involucral bracts few, boat-shaped, subtending outermost flowers, woolly throughout; receptacular bracts woolly, simulating an involucre; inner flowers 2-5, white, appearing perfect but often sterile, bractless; outer flowers female, bractless.

Fruits:
Achenes nerveless, papillose; pappus of white, hairlike bristles.