E-Flora BC: Electronic Atlas of the Flora of British Columbia

Juncus nevadensis S. Watson
Sierra rush
Juncaceae (Rush family)

Introduction to Vascular Plants
Once images have been obtained, photographs of this species will be displayed in this window.Click on the image to enter our photo gallery.
Currently no image is available for this taxon.
E-Flora BC Static Map
Distribution of Juncus nevadensis
Click here to view the full interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.



General:
Perennial herb from elongated rhizomes; stems arising singly or few together, erect, 20-75 cm tall.
Leaves:
Located on the lower part of the stem, nearly circular in cross-section, tapered, the early leaves stiff, with prominent complete cross-walls; sheaths open, with short, rounded, ear-shaped lobes.
Flowers:
Inflorescence terminal, 3-12 cm long, with (3) 5 to 30, more or less globe-shaped heads, the heads each with many flowers, the branches few, erect; perianth segments dark brown, 3-4.5 mm long, lanceolate to short-awned, pointed, the inner about the same length as the outer; stamens 6; anthers 1-2 mm long, longer than the filaments; involucral bract shorter than inflorescence.
Fruits:
Capsules, egg-shaped to cylindrical, pointed, abruptly narrowed, shorter than the perianth segments; seeds barrel-like, about 0.4 mm long, lacking appendages.
Notes:
This is a variable species and several infraspecific taxa (often treated as distinct species) have been described from WA and OR.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

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

Habitat / Range

Wet lakeshores and stream margins in the lowland, steppe, and montane zones; infrequent in the Chilcotin-Cariboo region, rare elsewhere; E to AB and S to NM, AZ, and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Juncus nevadensis

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

Minimum

Average

Maximum

Elevation (metres) 1010 1282 1555
Slope Gradient (%) 0 10 20
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
300 300 300
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 6 7
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
2
Modal BEC Zone Class
BAFA
All BEC Zones (# of stations/zone) species was recorded in: BAFA(1), IDF(1)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Juncus columbianus

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References