Carex luzulina Olney
woodrush sedge
Cyperaceae (Sedge family)

Introduction to Vascular Plants

Photograph

© Ryan Batten     (Photo ID #25803)


Map

E-Flora BC Static Map

Distribution of Carex luzulina
Click here to view the full interactive map and legend

SUBTAXA PRESENT IN BC

Carex luzulina var. ablata

Species Information

General:
Perennial, tufted herb from fibrous roots; stems 15-60 cm tall, much exceeding the leaves.
Leaves:
Sheaths blunt; blades flat, 3-9 mm wide, the lower ones slightly reduced.
Flowers:
Spikes 3 to 6, crowded, erect, 1-3 cm long, the upper unstalked, the lower short-stalked, the terminal one with male flowers, unstalked or nearly so, 1-2 cm long, the lower 2 to 5 spikes of female flowers, sometimes with male flowers towards the tips; bracts subtending the lowest spike with sheaths 1-4.5 cm long and blades 1-8 cm long, the blades much shorter than the inflorescence.
Fruits:
Perigynia lanceolate or narrowly egg-shaped, 3-5 mm long, 1-1.5 mm wide, smooth or often minutely rough, flattened, with 2 prominent nerves, the margins fringed with teeth near the tips, the beaks scarcely or shortly bidentate, about 1 mm long, 1/4 to 1/3 the length of the perigynia bodies; female scales egg-shaped, shorter than the perigynia, round at the tips, more or less fringed, purplish-black, the centres paler, the margins translucent; stigmas 3; achenes 3-angled, 1.4-1.7 mm long.

SourceThe Illustrated Flora of British Columbia

USDA Species Characteristics

Flower Colour:
Green
Blooming Period:
Late Spring
Fruit/Seed characteristics:
Colour: Brown
Present over the Summer
Source:  The USDA

Ecology

Ecological Framework for Carex luzulina

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

Avg

Min

Max

Elevation (metres)
1260 970 1550
Slope Gradient (%)
2 0 5

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

280 280 280
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 6 6
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
2
Modal BEC Zone Class
IMA

All BEC Zones (# of stations/zone) species was recorded in

IMA(1), MH(1)

Habitat and Range

Moist meadows and bogs in the montane to alpine zones; locally frequent in SW BC; S to WY, UT, NV and CA.

SourceThe Illustrated Flora of British Columbia