Cerastium alpinum subsp. lanatum

(Lamarck) Cesati in C. Cattaneo

in C. Cattaneo, Not. Nat. Civ. Lombardia, 290. 1844.

Common names: Céraiste laineux
Basionym: Cerastium lanatum Lamarck in J. Lamarck et al., Encycl. 1: 680. 1785
Synonyms: Cerastium alpinum var. lanatum (Lamarck) Hegetschweiler Cerastium alpinum subsp. squalidum (Raymond) Hultén Cerastium squalidum
Treatment appears in FNA Volume 5. Treatment on page 78.

Plants perennial, tufted or mat-forming, taprooted or rhizomatous. Flowering shoots erect or decumbent, 6–10 cm. Leaves: flowering shoots with blade lance-elliptic to ovate or obovate, broad, apex obtuse, with tuft of silvery, ± tangled, long, woolly hairs, pubescent; those at base and on sterile shoots often marcescent, blade obovate, apex obtuse, densely pubescent. Inflorescences usually 1-flowered, sometimes with simple cyme. Pedicels straight, usually short, 5–20 mm. Petals 2 times as long as sepals. 2n = 72, 104 ± 2, 108.


Phenology: Flowering spring.
Habitat: Northern arctic tundra
Elevation: 0-400 m

Distribution

V5 160-distribution-map.gif

Greenland, Nfld. and Labr., N.W.T., Nunavut, Ont., Que., Europe (Iceland), Europe (Russia), Europe (Scandinavia), Europe (mountains)

Discussion

Selected References

None.

Lower Taxa

None.

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

108 +, 2 +, 104 +  and 72 +
perigynous +  and hypogynous +
John K. Morton +
(Lamarck) Cesati in C. Cattaneo +
Cerastium lanatum +
elliptic to broadly ovate +  and linear +
1 cm10 mm <br />0.01 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
obovate +, lance-elliptic +  and ovate or 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 />) +
Céraiste laineux +
dish--shaped +
expanded +
Greenland +, Nfld. and Labr. +, N.W.T. +, Nunavut +, Ont. +, Que. +, Europe (Iceland) +, Europe (Russia) +, Europe (Scandinavia) +  and Europe (mountains) +
0-400 m +
straight +  and curved +
central +  and peripheral +
pistillate +  and subsessile +
inconspicuous +
unisexual +  and bisexual +
stalked +  and simple +
Northern arctic tundra +
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 +
elongating +
reflexed;erect +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
perigynous +  and hypogynous +
fugacious +
Flowering spring. +
in C. Cattaneo, Not. Nat. Civ. Lombardia, +
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 />) +
marcescent +
decumbent +  and erect +
6 cm60 mm <br />0.06 m <br /> (10 cm100 mm <br />0.1 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 />) +
Cerastium alpinum var. lanatum +, Cerastium alpinum subsp. squalidum +  and Cerastium squalidum +
rooting +  and rhizomatous +
Cerastium alpinum subsp. lanatum +
Cerastium alpinum +
subspecies +
not inflated +
divided +
10 +  and 8 +
rhizomatous +  and taprooted +
plant +  and mat-forming +
pubescence of simple hairs or stalked glands +  and glabrous +
19 +, 18 +, 17 +, 15] +, 13 +  and [9 +