Juncus parryi Engelm.
Parry's rush
Juncaceae (Rush family)

Introduction to Vascular Plants

Photograph

© Jamie Fenneman     (Photo ID #46934)

Map

E-Flora BC Static Map

Distribution of Juncus parryi
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Species Information

General:
Perennial tufted herb from short rhizomes; stems wiry, erect, 10-40 cm tall.
Leaves:
Basal, short, nearly circular in cross-section, tapered, the uppermost of the basal sheaths with well-developed blades 2-7 cm long.
Flowers:
Inflorescence a subterminal, loose head with 1 to 4 flowers, appearing as if on the side of the stem; perianth segments green to brown, subequal, pointed, 5-7 mm long; stamens 6; anthers about 1.5 mm long, shorter than the filaments; involucral bracts 2-5 cm long, cylindrical, resembling a continuation of the stem.
Fruits:
Capsules, pointed, about the same length as the perianth segments; seeds spindle-shaped, 0.6 mm long, with long, tail-like appendages at each end.

Source:  The 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.

USDA Species Characteristics

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

Ecology

Ecological Framework for Juncus parryi

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)
 2091 34 2500
Slope Gradient (%)
 34 0 250

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

 166 15 340
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric] 		2 0 8
Modal Nutrient Regime
Class
 B
# of field plots
 species was recorded in:
 214
Modal BEC Zone Class
 ESSF

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

 AT(58), BAFA(1), ESSF(127), ICH(2), IMA(4), SBS(2)

Habitat and Range

Dry meadows and rocky slopes in the subalpine and alpine zones; frequent in BC south of 55degreeN, rare W of the Coast-Cascade Mountains; E to AB and S to CO, UT, NV and CA.

Source:  The Illustrated Flora of British Columbia

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