Sagina decumbens ssp. decumbens (Ell.) Torr. & Gray | Species Image Gallery (opens in a new window) |
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TAXONOMY | |||||||||
Family: | Caryophyllaceae | ||||||||
Genus: | Sagina | ||||||||
Species Synonyms: | Sagina decumbens var. smithii (Gray) S. Wats. | ||||||||
Common Names: | trailing pearlwort | ||||||||
DISTRIBUTION | |||||||||
Canada: | southeastern Alberta – southwestern Saskatchewan, Ontario – New Brunswick | ||||||||
Saskatchewan: | southwestern Saskatchewan; Cypress Hills | ||||||||
Ecoregion: | Cypress Upland | ||||||||
HABITAT | |||||||||
Saskatchewan: | dry hillsides | ||||||||
RARITY STATUS | |||||||||
Provincial
Status According to Harms (2003): |
Endangered/Extirpated? |
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Nature Conservancy Status: | G5 SH |
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Saskatchewan
Species at Risk Status: |
None |
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COSEWIC Status: | None |
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Trailing pearlwort is endangered or extirpated from Saskatchewan. It is extremely rare, highly regionally restricted and is almost always locally sparse. This plant has not been reported in Saskatchewan in recent surveys of the Cypress Hills area. | |||||||||
SPECIES DESCRIPTION | |||||||||
Height: | 2 – 10 cm | ||||||||
Roots: | fibrous | ||||||||
Stems: | tufted, erect to reclining and spreading, branched from base, green or purple-tinged, hairless or occasionally glandular-hairy above | ||||||||
Leaves: | basal leaves lacking or falling off; stem leaves opposite, sessile, 4 – 20 mm long, to 1 mm wide, reduced upwards, linear, fused at base, tip abruptly pointed, hairless, margin membranous | ||||||||
Inflorescence: | many-flowered, branched, flowers occasionally solitary, terminal and axillary; flower stalks thread-like | ||||||||
Flowers: | perfect; sepals 5, 1.4 – 2.2 mm long, obscurely nerved, green with purple tips, margin narrowly membranous; petals 5, small, white; stamens 8 or 10; styles 5 | ||||||||
Fruits: | capsule many seeded, 5- valved, oval shaped; seeds light tan, minutely bumpy | ||||||||
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