General:
Perennial from a stout taproot and branched stem-base; tufted, often matted; stems decumbent to ascending, several, branched, finely and densely hairy, 10-70 cm tall/long.

Leaves:
Basal leaves mostly matted at the base of the stems, oblanceolate to lanceolate, 2-5 cm long, hairy, stalked, 2-10 mm wide; stem leaves opposite, 1-8 pairs, oblanceolate, 2-8 cm long, becoming smaller and unstalked above, hairy; stipules lacking.

Flowers:
Inflorescence of solitary or more usually 3 flowers; petals 5, creamy white to yellowish or greenish, often tinged with pink or purple, bilobed, 12-16 mm long, stalklike at the bases, the stalks 8-12 mm long; sepals 5, creamy white or pink, greenish or purplish, united, forming a tube 10-15 mm long, inflated and papery in fruit, 10-nerved.

Fruits:
Capsules 1-celled, 8-12 mm long; seeds 1.1-1.5 mm long, reddish-brown, roughened.

Source:  The Illustrated Flora of British Columbia