Juncus triglumis subsp. albescens
whitish rush
Juncaceae (Rush family)

Introduction to Vascular Plants

Photograph

© Hans Roemer     (Photo ID #22987)


Map

E-Flora BC Static Map

Distribution of Juncus triglumis ssp. albescens
Click here to view the full interactive map and legend

Species Information

General:
Perennial, tufted herb from fibrous roots; stems erect, 7-20 cm tall.
Leaves:
Basal, nearly circular in cross-section, tapered, lacking cross-walls.
Flowers:
Inflorescence a single, terminal head of 2 to 6 flowers, the flowers lacking bractlets; perianth segments pale brown or whitish, 3.5-5 mm long, pointed, subequal; stamens 6; anthers 0.6-1 mm long, shorter than the filaments; involucral bracts awned, longer than the flowers.
Fruits:
Capsules, cylindrical, pointed, shorter than or equal to the perianth segments, pale; seeds spindle-shaped, about 1.8 mm long, with appendages at each end.

SourceThe Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Ecology

Ecological Framework for Juncus triglumis ssp. albescens

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)
898 30 1483
Slope Gradient (%)
1 0 5

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

345 50 280
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
7 7 8
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
5
Modal BEC Zone Class
ESSF

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

CWH(2), ESSF(2), SWB(1)

Habitat and Range

Wet calcareous fens in the montane to alpine zones; rare in BC east of the Coast Mountains; N to AK, YT and NW NT and S to NM, UT, ID and OR.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Juncus albescens (Lange) Fernald