General:
Annual or sometimes perennial from slender rhizomes; stems weak and trailing, freely rooting, strongly 4-angled, glabrous, up to 50 cm long.

Leaves:
Leaves opposite, elliptic to oblanceolate, 5-15 mm long, 1.5-5 mm wide, unstalked or some of the lower ones narrowed to distinct stalks, glabrous except for some hairs on the margins, the margins sometimes strongly wrinkled-curly; stipules lacking.

Flowers:
Inflorescence of a few flowers in axillary or terminal, papery-bracted clusters; petals 5, white, deeply 2-cleft, shorter than the sepals; sepals 5, narrowly lanceolate, abruptly sharp-pointed, 2.5-3.5 mm long, glabrous.

Fruits:
Capsules egg-shaped, 3-4 mm long, 6-valved; seeds about 0.6 mm long, strongly pimply-wrinkled.

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

Synonyms and Alternate Names:
Alsine uliginosa (Murray) Britton
Stellaria uliginosa Murray