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

Stellaria alsine Grimm
bog starwort (bog chickweed)
Caryophyllaceae (Pink family)

Introduction to Vascular Plants
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Distribution of Stellaria alsine
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Species Information

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

Habitat / Range

Wet to mesic ditches, lawns and disturbed sites in the lowland and steppe zones; rare in SW and SC BC; introduced from Euráasia.

Source: The Illustrated Flora of British Columbia


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Alsine uliginosa (Murray) Britton
Stellaria uliginosa Murray

Taxonomic and Nomenclatural Links

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General References