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

Luzula multiflora (Ehrh.) Lej.
many-flowered wood-rush (common woodrush)
Juncaceae (Rush family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #6639)

E-Flora BC Static Map
Distribution of Luzula multiflora
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Species Information

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General:
Perennial, densely tufted herb from short rhizomes, without stolons; 5-50 cm tall.
Leaves:
Flat, fringed with fine hairs, 3-15 cm long and 3-6 mm wide; sheaths green.
Flowers:
Inflorescence with about 5 to 15, stalked clusters, the clusters dense up to the base without remote basal flowers, each with 6 to 14 flowers; perianth segments pale green to dark brown, 2.5-4 mm long, lanceolate to egg-shaped, pointed or short-awned, the inner about the same length as the outer; styles slightly shorter to longer than the ovaries; stamens 6; anthers 0.6-1.2 mm long, longer than the filaments; bractlets scarcely fringed with a few hairs, less than 1/2 the length of the perianth segments; lower bract leaflike, well-developed, surpassing inflorescence or shorter.
Fruits:
Capsules, egg-shaped, the tops blunt or pointed, shorter than or longer than the perianth segments; seeds spindle-shaped, 0.8-1.2 mm long, with short appendages.
Notes:
This is a variable species with two subspecies in BC:

1. Outer perianth segments pointed, inner perianth segments blunt or with short, abruptly-pointed awns; capsules pointed, longer than the perianth segments; styles 0.3-0.5 mm long; alpine zone, northern BC....................... ssp. frigida (Buch.) Krecz.

1. All perianth segments equal in shape, slenderly pointed; capsules with blunt tops, shorter than the perianth; styles 0.5-0.8 mm long; lowland or montane zones......................... ssp. multiflora

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry open forests, rocky slopes and meadows in all vegetation zones; frequent throughout BC; circumpolar or disjunct cosmopolitan, N to AK, YT and NT, E to NF and S to VA, KY, IA, ND, MT, ID, and CA; Eurasia, S America, Philippines, New Zealand, Australia.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Luzula multiflora

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) 0 482 2040
Slope Gradient (%) 0 27 210
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 172 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 2 7
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
280
Modal BEC Zone Class
CWH
All BEC Zones (# of stations/zone) species was recorded in: AT(3), BAFA(2), CDF(26), CMA(3), CWH(131), ESSF(13), ICH(2), IDF(6), MH(19), MS(1), PP(1), SBS(1)

Ecological Indicator Information

A shade-intolerant, submontane to montane, circumpolar graminoid (transcontinental in North America). Occurs in cool temperate and cool mesothermal climates on excessively dry to very dry, nitrogen-poor soils (Mor humus forms). Sporadic in non-forested communities and open-canopy Douglas-fir forests on shallow, rapidly drained, stony and rocky, water­shedding sites; often inhabits exposed mineral soils. An oxylophytic species characteristic of moisture-deficient sites.

SourceIndicator Plants of Coastal British Columbia (Information applies to coastal locations only)

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 cool temperate & cool mesothermal.

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