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

General:
Perennial herb from a creeping rhizome; stems erect, branched, sparsely hairy or nearly glabrous, 15-60 cm tall.

Leaves:
Basal leaves lacking, lower leaves opposite, upper leaves alternate, unstalked or more or less stalked, oblong to broadly linear, 1-5 cm long, entire.

Flowers:
Heads disciform on short, axillary stalks, nodding, greenish-white; involucres 2-4 mm tall; involucral bracts 4-6, fused at the base; female corollas tubular, 1 mm long.

Fruits:
Achenes with unstalked glands, compressed, 2-3 mm long; pappus lacking.