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

General:
Annual herb from a taproot; stems erect, simple or branched above, glabrous, 10-70 cm tall.

Leaves:
Basal leaves soon deciduous; stem leaves linear or nearly so, entire, 3-12 cm long, 1-9 mm wide.

Flowers:
Heads disciform, several to numerous in an open, branched or spikelike inflorescence; involucres 5-11 mm tall; involucral bracts equal or more often graduated in 2-3 series, linear, the tips sharp- to long-pointed, leafy, loose, glabrous; ray flowers lacking; female flowers white or pale lavender, more numerous than the disk flowers, with tubular-threadlike corollas.

Fruits:
Achenes appressed-hairy; pappus white, copious and soft, surpassing the corollas.