General:
Perennial herb from long rhizomes; stems erect, 40-90 cm tall.

Leaves:
Located on the lower halves of the stem, 2-6 mm wide, strongly flattened, compressed laterally (iris-like), with partial cross-walls that run from the edge to about 2/3 of the leaf width; sheaths open, with minute, pointed, ear-shaped lobes.

Flowers:
Inflorescence terminal, loose, with 10 to 70 heads, the heads mostly 3- to 12-flowered; perianth segments greenish-yellow to pale brown, 3-4 mm long, pointed, short-awned, subequal; stamens 6; anthers 1-1.5 mm long, slightly longer than the filaments; involucral bract much shorter than the inflorescence.

Fruits:
Capsules, egg-shaped, tapering into long points, longer than the perianth segments; seeds ellipsoid, about 0.5 mm long, lacking tail-like appendages.

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