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

Flora North America treatment for Juncaceae
 Flora North America treatment for Juncus regelii
Genetic information (NCBI Taxonomy Database)
 International Plant Names Index
 Taxonomic Information from the World Flora Online
 Integrated Taxonomic Information System

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
 Google Image Search
 Flickr Image Search

General References

Google Scholar Search
Family References
 General Botanical References for BC
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-12-02 11:51:14 PM ]
Disclaimer: The information contained in the E-Flora atlas pages is derived from expert sources as cited in each section. This information is scientifically based. E-Flora also acts as a portal to other sites via deep links. As always, users should refer to the original sources for complete information. E-Flora BC is not responsible for the accuracy or completeness of the original information.
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