General:
Perennial herb from slender rhizomes; stems decumbent to ascending, several, branched, matted, 4-angled, glabrous except minutely rough-hairy above, 3-40 cm tall/long.

Leaves:
Basal leaves few, reduced, soon deciduous; stem leaves opposite, unstalked, linear to linear-lanceolate, 1.5-5.0 cm long, 1-4 mm wide, glabrous or with a few basal hairs on the margins, the margins very finely roughly-pimpled (at 30X).

Flowers:
Inflorescence of solitary flowers, or a few to several flowers in an open cluster; petals 5, white, 2-cleft, 1.0-1.2 mm long; sepals 5, narrowly-elliptic to lanceolate, 3-4 mm long, usually glabrous,3-nerved.

Fruits:
Capsules greenish-yellow, oblong, 4-6 mm long, 6-valved; seeds 0.8-0.9 mm long, reddish-brown, lightly roughened.

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

Flower Colour:
Green

Blooming Period:
Late Spring

Fruit/Seed characteristics:
Colour: Brown
Present over the Summer

Source:  The USDA