General:
Perennial herb from a creeping rhizome; stems erect, solitary, simple, round, smooth or sparsely hairy, 10-30 cm tall.

Leaves:
Basal leaves soon deciduous or lacking; stem leaves in whorls of 4, egg-shaped to elliptic, awl-like at the tips, 1-3 cm long, sparsely hairy, with marginal hairs, these pointing forward, 3-veined, unstalked, the lower whorls smaller than upper ones.

Flowers:
Inflorescence a small open cluster of 1-3 (6) stalked flowers arising from the centre of the uppermost leaf whorl; corollas whitish to greenish, 2.5-3.5 mm wide, 4-lobed; calyces obsolete.

Fruits:
Nutlets, 2, 1.2-1.5 mm long, with numerous, short, hooked hairs.

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