Stellaria humifusa Rottb.
salt marsh starwort (saltmarsh starwort)
Caryophyllaceae (Pink family)

Introduction to Vascular Plants


© Jocie Ingram     (Photo ID #285)


E-Flora BC Static Map

Distribution of Stellaria humifusa
Click here to view the full interactive map and legend

Species Information

Perennial herb from slender rhizomes; stems prostrate, several, branched, matted, glabrous, 2-40 cm long.
Basal leaves lacking; stem leaves opposite, unstalked, narrowly lanceolate to elliptic, 0.6-1.8 cm long, 1-5 mm wide, thick and fleshy; stipules lacking.
Inflorescence of solitary flowers in the leaf axils, or in a few-flowered, leafy cluster; petals 5, white, 2-cleft, 4-6 mm long; sepals 5, lanceolate, 3.5-5 mm long at flowering time, inconspicuously 3-nerved.
Capsules straw-coloured, egg-shaped, 4-5 mm long, 6-valved; seeds brown, 0.8-1 mm long, lightly roughened, nearly smooth.

SourceThe 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.


Ecological Framework for Stellaria humifusa

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres)
240 0 1435
Slope Gradient (%)
2 0 10

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

222 205 240
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 4 7
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

All BEC Zones (# of stations/zone) species was recorded in

CWH(5), MS(1)

Habitat and Range

Wet salt marshes, mudflats and saline shores in the lowland zone; infrequent in coastal and SW BC, known from the Queen Charlotte Islands, Vancouver Island and Burrard Inlet; circumpolar, N to AK, YT and NT, E to NF and S to OR; Eurasia.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Alsine humifusa (Rottb.) Britton
Stellaria humifusa var. oblongifolia Fenzl
Stellaria humifusa var. suberecta B. Boivin