Perennial, loosely tufted herb from short to elongate, extensive rhizomes; stems erect, 25-75 cm long.
Located on the lower parts of the stem extending at least halfway up, flat, 1.5-3 mm wide, lacking cross-walls, with ear-shaped lobes.
Inflorescence terminal, 3-15 cm long, loosely branched, the branches ascending, the flowers each with 2 involucral bractlets; perianth segments dark brown with greenish midribs, 3-4.5 mm long, rounded, blunt, with incurved, hooded tips, the inner about the same length as the outer; stamens 6; anthers 1.3-1.6 mm long, about 3 times the length of the filaments.
Capsules, egg-shaped, equal to or just slightly surpassing the perianth segments; seeds pear-shaped, about 0.5-0.6 mm long, lacking tail-like appendages.
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