Cerastium alpinum subsp. alpinum

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

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

perigynous +  and hypogynous +
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 +
5mm;7mm +
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 +
elongating +
reflexed;erect +
0.5 cm5 mm <br />0.005 m <br /> (3 cm30 mm <br />0.03 m <br />) +
perigynous +  and hypogynous +
fugacious +
Flowering spring. +
well-grown +
0.1 cm1 mm <br />0.001 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
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 +
6 cm60 mm <br />0.06 m <br /> (20 cm200 mm <br />0.2 m <br />) +
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 +