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

Sagina decumbens (Elliott) Torr. & A. Gray
Small-flowered Pearlwort (trailing pearlwort; western pearlwort)
Caryophyllaceae (Pink family)

Introduction to Vascular Plants
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Distribution of Sagina decumbens
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Sagina decumbens ssp. occidentalis

Species Information

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Annual herb from a taproot; stems decumbent to erect or ascending, several, branched, glabrous to weakly glandular short-hairy above, 5-15 cm long/tall.
Basal leaves linear, 1-3 cm long, less than 1 mm wide, 1-nerved, glabrous; stem leaves opposite, 2-6 pairs, 3-10 mm long, glabrous, becoming shorter towards the stem apex; stipules lacking.
Inflorescence of usually several flowers per stem; petals 5, oblong, white, 1.2-2.6 mm long; sepals 5, greenish, rounded, glabrous to weakly glandular short-hairy, 1.5-2.5 mm long.
Capsules obliquely triangular, compressed, 2.5-5 mm long, 5-valved; seeds about 0.2-0.3 mm long, obliquely triangular with a dorsal groove, reddish-brown, minutely roughened.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to mesic vernal pool margins, forest openings and open slopes in the lowland zone; rare in SW BC; S to AZ and CA.

Source: The Illustrated Flora of British Columbia

Taxonomic and Nomenclatural Links

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General References