Juncus falcatus E. Mey.
sickle-leaved rush (falcate rush)
Juncaceae (Rush family)

Introduction to Vascular Plants

Photograph

© Ryan Batten     (Photo ID #23863)


Map

E-Flora BC Static Map

Distribution of Juncus falcatus
Click here to view the full interactive map and legend

SUBTAXA PRESENT IN BC

Juncus falcatus ssp. sitchensis

Species Information

General:
Perennial herb from long creeping rhizomes; stems erect, 10-30 cm tall.
Leaves:
Located on the lower part of the stem, flat, stiff, lacking cross-walls.
Flowers:
Inflorescence of 1 to 3 terminal heads of 5 to 15 flowers, the flowers lacking bractlets; perianth segments dark brown with wide green midribs, 4-6 mm long, egg-shaped, pointed or awned; stamens 6; anthers 1-1.6 mm long, about equal to the filaments; lowest bracts leaflike, longer than the inflorescence, the upper bracts awnlike and shorter than the inflorescence.
Fruits:
Capsules, egg-shaped, blunt or notched, equal to or slightly shorter than the perianth segments, dark; seeds wedge-like, angular, widest at the tips and narrowing to the bases, about 0.7 mm long, lacking tail-like appendages.

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 falcatus

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)
122 0 290
Slope Gradient (%)
3 0 10

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

347 40 295
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 6 7
Modal Nutrient Regime
Class
A
# of field plots
 species was recorded in:
7
Modal BEC Zone Class
CWH

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

CWH(7)

Habitat and Range

Wet rocky or sandy lakeshores and streambanks, upper tideflats and open soil in peat bogs in the lowland and montane zones; frequent in BC west of Coast-Cascade Mountains; amphiberingian, N to AK and S to CA; E Asia and Australia.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Juncus falcatus var. falcatus E. Mey. [superfluous autonym]