Cerastium alpinum subsp. alpinum

Treatment appears in FNA Volume 5. Treatment on page 78.
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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

V5 159-distribution-map.gif

Greenland, Man., Nfld. and Labr., N.W.T., Nunavut, Ont., Que., Sask., n Europe (Scandinavia)

Discussion

Selected References

None.

Lower Taxa

None.

"-2timesaslongassepals" is not declared as a valid unit of measurement for this property."elongating" is not a number.

perigynous +  and hypogynous +
round;acute +
John K. Morton +
Linnaeus +
elliptic to broadly ovate +  and linear +
lance-elliptic to oblanceolate +  and elliptic +
1 cm10 mm <br />0.01 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
oblanceolate +  and obovate +
not succulent +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
often +  and herbaceous +
acute +  and lanceolate +
reduced +
herbaceous +  and scarious +
8 +  and 6 +
cylindric +
1.2 cm12 mm <br />0.012 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
(1-)2-4-flowered +
dish--shaped +
expanded +
Greenland +, Man. +, Nfld. and Labr. +, N.W.T. +, Nunavut +, Ont. +, Que. +, Sask. +  and n Europe (Scandinavia) +
0-300 m +
straight +  and curved +
central +  and peripheral +
pistillate +  and subsessile +
inconspicuous +
unisexual +  and bisexual +
stalked +  and simple +
Low-arctic tundra, cliff ledges, talus +
eglandular +  and multicellular +
flexuous +
disc--shaped +  and dish +
not +  and marcescent +
connate +
translucent +  and purplish +
glandular-pubescent +
swollen +
0 cm0 mm <br />0 m <br /> (6 cm60 mm <br />0.06 m <br />) +
3 +  and 5 +
crassinucellate +  and bitegmic +
campylotropous +
curved +  and straight +
reflexed;erect +
0.5 cm5 mm <br />0.005 m <br /> (3 cm30 mm <br />0.03 m <br />) +
perigynous +  and hypogynous +
fugacious +
1.5-2 times as long as sepals +
Flowering spring. +
well-grown +
dark-brown +
1mm;1.4mm +
tuberculate +
compressed +  and angular-obovate +
violet-tipped +
persistent +
distinct +
elliptic-lanceolate +
0.75 cm7.5 mm <br />0.0075 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not marcescent +
branched +  and simple +
ascending;prostrate +
subterminal +
[30 +  and 5 +
roughened +  and papillate +
distinct +
clavate +  and filiform +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
rooting +  and rhizomatous +
Cerastium alpinum subsp. alpinum +
Cerastium alpinum +
subspecies +
not inflated +
divided +
10 +  and 8 +
rhizomatous +, stoloniferous +  and taprooted +
pubescence of simple hairs or stalked glands +  and glabrous +
19 +, 18 +, 17 +, 15] +, 13 +  and [9 +