General:
Perennial semi-shrub from a strong, fibrous root; stems prostrate to ascending, several, freely branched, smooth, rooting at the branch nodes, 30-100 cm tall/long.
Leaves:
Basal leaves lacking; stem leaves alternate, narrowly oblong but rolled under and so appearing linear in outline, the blades 1-2 cm long, unstalked; stipules translucent, ragged.
Flowers:
Inflorescence of several flowers in clusters in the upper leaf axils; perianths white to pink, 5-6 mm long, unequally 5-lobed 1/2 to 3/4 the distance to the base.
Fruits:
Achenes, 3-angled, 4-5 mm long, black, smooth, shiny.
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