General:
Perennial, loosely tufted herb from compact rhizomes; stems 1 to 15, erect, 25-100 cm long.

Leaves:
Located on the lower 1/3 of the stem, narrow, flattened, lacking cross-walls; sheaths open, with short, cartilaginous, yellowish or yellowish-brown, glossy, ear-shaped lobes.

Flowers:
Inflorescence terminal, 5-15 cm long, the branches ascending, the flowers each with 2 blunt involucral bracts; perianth segments green, 3-5 mm long, pointed, spreading, the inner about the same length as the outer; stamens 6; anthers 0.6-0.9 mm long, shorter than or almost equal to the filaments.

Fruits:
Capsules, 1-celled, rounded, about the same length as the perianth segments or slightly shorter; seeds egg-shaped, about 0.4-0.6 mm long, lacking tail-like appendages.

Notes:
This is a member of the J. tenuis complex, whose taxonomy and distribution in British Columbia has not been studied.

Source:  The Illustrated Flora of British Columbia

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.

Illustration Source:  The Illustrated Flora of British Columbia

Synonyms and Alternate Names:
Juncus tenuis var. dudleyi (Wiegand) F.J. Herm.
Juncus tenuis var. uniflorus auct. non Farw. p.p.