E-Flora BC: Electronic Atlas of the Flora of British Columbia

Luzula nivalis (Laest.) Beurling
arctic wood-rush
Juncaceae (Rush family)

Introduction to Vascular Plants
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Distribution of Luzula nivalis
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Species Information

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General:
Perennial, densely tufted herb from short rhizomes; stems 5-20 cm tall, with brown base.
Leaves:
Flat, sparsely fringed with fine hairs, 5-10 cm long, 2-4 mm wide, with swollen, callous-like tips, basal sheaths brownish to pale chestnut-brown.
Flowers:
Inflorescence solitary, unstalked, of 1 to 3 clusters, each with 8 to 15 flowers, the basal clusters sometimes on short stalks; perianth segments dark brown, 1.5-2 mm long, lanceolate, pointed, the inner about the same length as the outer; stamens 6; anthers 0.3-0.6 mm long, about the same length as filaments; bractlets strongly fringed, usually longer than 1/2 the length of the perianth segments.
Fruits:
Capsules, egg-shaped, longer than the perianth segments; seeds ellipsoid, 0.9-1.1 mm long, with minute appendages.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist meadows, shrubby slopes and snowbed sites in the subalpine and alpine zones; rare on Vancouver Island and in N BC; circumpolar, N to AK, YT, and NT and E to NF; Eurasia.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Luzula nivalis

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class

Minimum

Average

Maximum

Elevation (metres) 1010 1780 3000
Slope Gradient (%) 0 16 100
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 39 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 3 8
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
188
Modal BEC Zone Class
BAFA
All BEC Zones (# of stations/zone) species was recorded in: AT(6), BAFA(131), cma(6), ESSF(21), IMA(9), MH(1), SWB(6)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Luzula arctica Blytt

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References