Luzula arctica

Blytt in M. N. Blytt and A. G. Blytt
in M. N. Blytt and A. G. Blytt,Norges Flora 1: 299. 1861.
Common names: Arctic wood rush
Illustrated
Basionyms: Luzula nivalis (Laestadius) Beurling Bot. Not. 55. 1853
Treatment appears in FNA Volume 22. Treatment on page 263.

Culms densely cespitose, 5-20 cm. Leaves: sheaths brown to straw-colored; basal leaves to 10 cm × 4 mm; cauline leaves usually 2, reduced. Inflorescences: glomerules 1-3, sessile; proximal inflorescence bract inconspicuous, brown, much shorter to ± equaling inflorescence, apex often clear, dentate; bracts deep brown, margins dentate; bracteoles deep brown, margins dentate. Flowers: tepals deep brown with narrow clear margins and apex, 1.7-2.1 mm; anthers ± equaling filament length. Capsules dark reddish to blackish, shining, spheric, 1.8-2.1 mm, usually exceeding tepals. Seeds translucent, clear brown, broadly elliptic, with few entangled hairs, 1-1.2 mm. 2n = 24.


Phenology: Flowering and fruiting summer.
Habitat: Wet, stony places on slopes and in dwarf shrub heaths in alpine and arctic tundra; circumpolar.
Elevation: 0-1200 m

Distribution

V22 490-distribution-map.jpg

Greenland, B.C., Man., Nfld. and Labr. (Labr.), N.W.T., Nunavut, Que., Yukon, Alaska, Eurasia.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Luzula arctica"
Janice Coffey Swab +
Blytt in M. N. Blytt and A. G. Blytt +
Luzula nivalis +
Arctic wood rush +
Greenland +, B.C. +, Man. +, Nfld. and Labr. (Labr.) +, N.W.T. +, Nunavut +, Que. +, Yukon +, Alaska +  and Eurasia. +
0-1200 m +
Wet, stony places on slopes and in dwarf shrub heaths in alpine and arctic tundra +  and circumpolar. +
Flowering and fruiting summer. +
in M. N. Blytt and A. G. Blytt,Norges Flora +
Illustrated +
Luzula sect. Gymnodes +  and Luzula subg. Gymnodes +
Luzula arctica +
Luzula subg. Luzula +
species +