General:
Perennial herb from a rhizome; stems succulent, mostly simple, ascending or prostrate, also rooting from the nodes, 10-30 cm tall.

Leaves:
Basal leaves lacking; stem leaves succulent, opposite, simple, unstalked, linear-oblong to linear-oblanceolate, 2-6 cm long, 2-6 mm wide.

Flowers:
Heads with ray and disk flowers, mostly solitary on terminal stalks; receptacles conic; involucres 8-12 mm tall; involucral bracts in 3 series, broad, rounded above, becoming pinkish upwards; ray flowers yellow, 6-10, narrow, inconspicuous, barely surpassing the yellow disk flowers.

Fruits:
Achenes glabrous, 10-nerved, with a cartilaginous ring at the tip to which the disk corolla is attached; pappus lacking.

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