Juncus vaseyi Engelm.
Vasey's rush
Juncaceae (Rush family)

Introduction to Vascular Plants

Photograph

© Adolf Ceska     (Photo ID #5711)


Map

E-Flora BC Static Map

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

Species Information

General:
Perennial, tufted herb from fibrous roots; stems erect, 20-70 cm tall.
Leaves:
Located on the lower part of the stem, nearly circular in cross-section, tapered, or grooved on the upper sides; sheaths with short, rounded ear-shaped lobes.
Flowers:
Inflorescence a terminal cluster of 10 to 50 flowers, appearing as if it is on the side of the stem; perianth segments greenish, 3.5-5 mm long, pointed, about equal; stamens 6; anthers about 0.8 mm long, about as long as the filaments; involucral bract grooved along the upper side, overtopping the inflorescence, resembling a continuation of the stem.
Fruits:
Capsules, cylindrical, blunt or notched at the tops, longer than the perianth segments, dark; seeds spindle-shaped, about 0.8-1.2 mm long, with tail-like 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 vaseyi

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)
1545 1280 1810
Slope Gradient (%)
11 0 22

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

40 40 40
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 6 7
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
2
Modal BEC Zone Class
ESSF

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

ESSF(1)

Habitat and Range

Dry to moist shorelines and meadows in the steppe and montane zones; infrequent in BC E of the Coast Cascade Mountains; E to NF and S to ME, VT, IN, IL, IA and CO.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Juncus greenei var. vaseyi (Engelm.) B. Boivin