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

Juncus confusus Coville
Colorado rush
Juncaceae (Rush family)

Introduction to Vascular Plants
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E-Flora BC Static Map
Distribution of Juncus confusus
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Species Information

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General:
Perennial, tufted herb from fibrous roots; stems to 1 mm wide, erect, 20-50 cm tall.
Leaves:
Located on the lower 1/3 of the stem, narrow (to 1 mm wide), flattened, lacking cross-walls; sheaths open, with short, 0.3-0.7 mm long, ear-shaped lobes.
Flowers:
Inflorescence terminal, congested, 3- to 25-flowered, 1-3 cm wide, the flowers each with 2 involucral bractlets; perianth segments tawny to blackish with brownish midribs, 3-4.5 mm long, lanceolate, pointed, the inner about the same length as the outer; stamens 6; anthers 0.3-0.6 mm long, shorter than the filaments; first bract usually much longer than the inflorescence.
Fruits:
Capsules, notched above, broadly cylindrical, rounded, shorter than the perianth segments, completely 3-celled; seeds lopsided elliptical to pear-shaped, about 0.4-0.6 mm long, lacking tail-like appendages.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

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

Habitat / Range

Moist meadows and forest openings in the steppe and montane zones; rare in S BC; E to SK and S to SD, NM, AZ and CA.

Source: The Illustrated Flora of British Columbia

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 exilis Osterh.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References