General:
Perennial herb from a stout rhizome; mat-forming; stems ascending to erect, several, branched above, 4-10 cm tall, glabrous.

Leaves:
Stem leaves alternate, smooth, evergreen, 3-5 mm long, more or less cylindric, succulent, unstalked, not strongly keeled, sometimes completely deciduous by flowering time, rarely bearing propagules in the upper leaves.

Flowers:
Inflorescence of terminal, umbrella-shaped clusters; petals 5, bright yellow; sepals 5, lanceolate.

Fruits:
Follicles, spreading.

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