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

General:
Perennial herb from a slender rhizome; stems decumbent, rooting nodally, hairy in longitudinal lines, several, branched, often matted, 7-50 cm long.

Leaves:
basal leaves lacking; stem leaves opposite, stalked below, unstalked above, egg-shaped to elliptic, 0.5-4.5 cm long, 0.5-1.5 mm wide, fleshy, hairy; stipules lacking.

Flowers:
Inflorescence of single flowers in the leaf axils or terminal flowers in an open cluster; petals 5, white, deeply 2-cleft, 2-3 mm long; sepals 5, oblong-lanceolate, 3-4.5 mm long, hairy and more or less glandular.

Fruits:
Capsules straw-coloured, egg-shaped, 4-5 mm long, 6-valved; seeds about 0.9-1.3 mm long, reddish-brown, minutely roughened.