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

Juncus regelii Buchenau
Regel's rush
Juncaceae (Rush family)

Introduction to Vascular Plants
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Distribution of Juncus regelii
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Species Information

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General:
Perennial herb from rhizomes; stems erect, 10-40 cm tall.
Leaves:
Located on the lower part of the stem, flat, lacking cross-walls; sheath with short ear-shaped lobes or lobes lacking.
Flowers:
Inflorescence terminal, of 1 to 5 hemispheric heads, each of them with 7 to 15 flowers; perianth segments chestnut-brown with lighter midribs, 4-6 mm long, pointed, subequal; stamens 6; anthers about 1-1.4 mm long, slightly longer than the filaments; bracts shorter than the inflorescence.
Fruits:
Capsules, cylindrical to egg-shaped, rounded at the tops, about as long as the perianth segments, dark; seeds spindle-shaped, the body about 1.5 mm long, with tail-like appendages at each end.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet streambanks and marshes in the steppe and montane zones; rare in BC in and E of the Coast-Cascade Mountains and S of 55degreeN; E to AB and S to WY, UT, NV and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Juncus regelii

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) 1120 1520 1840
Slope Gradient (%) 0 1 6
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
70 69 70
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 5 6
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
4
Modal BEC Zone Class
MS
All BEC Zones (# of stations/zone) species was recorded in: ESSF(2), MS(2)

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 jonesii Rydb.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References