familyCaryophyllaceae
subfamilyCaryophyllaceae subfam. Alsinoideae
genusCerastium
speciesCerastium alpinum
subspeciesCerastium alpinum subsp. alpinum
Difference between revisions of "Cerastium alpinum subsp. alpinum"
Treatment appears in FNA Volume 5. Treatment on page 78.
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Revision as of 22:33, 16 December 2019
Plants perennial, tufted, forming clumps or mats, taprooted, stoloniferous, rarely rhizomatous. Flowering shoots usually erect from decumbent base, 6–20 cm. Leaves: flowering shoots with blades narrowly elliptic or lance-elliptic to oblanceolate, apex ± acute, evenly, but not densely pubescent; those near base and on sterile shoots not marcescent, blade oblanceolate to obovate, apex round. Inflorescences (1–)2–4 flowered. Pedicels usually long, slender, divaricate in well-grown plants. Petals 1.5–2 times as long as sepals. 2n = 72, 108.
Phenology: Flowering spring.
Habitat: Low-arctic tundra, cliff ledges, talus
Elevation: 0-300 m
Distribution
Greenland, Man., Nfld. and Labr., N.W.T., Nunavut, Ont., Que., Sask., n Europe (Scandinavia).
Discussion
Selected References
None.
Lower Taxa
None.