Flora of North America species comparison

densely cespitose, 5-20 cm.

densely cespitose, stiffly erect, reddish brown, 3–26 cm.

sheaths brown to straw-colored;

basal leaves to 10 cm × 4 mm;

cauline leaves usually 2, reduced.

basal leaves reddish, 2.5–7 cm × 2–5 mm, firm, apex callous, glabrous.

glomerules 1-3, sessile;

proximal inflorescence bract inconspicuous, brown, much shorter to ± equaling inflorescence, apex often clear, dentate;

bracts deep brown, margins dentate;

bracteoles deep brown, margins dentate.

pyramidal, 5–10 mm wide;

glomerules 1–5, sessile, sometimes with 1–2 smaller glomerules on short peduncles;

proximal inflorescence bract conspicuous, reddish, usually exceeding inflorescence, generally stiff;

bracteoles clear.

tepals deep brown with narrow clear margins and apex, 1.7-2.1 mm;

anthers ± equaling filament length.

tepals very dark with clear margins, 2–3 mm;

outer whorl slightly exceeding inner whorl;

anthers ± equaling filaments.

dark reddish to blackish, shining, spheric, 1.8-2.1 mm, usually exceeding tepals.

dark brown to black in distal portion, much shorter than tepals; (beak 0.3 mm).

translucent, clear brown, broadly elliptic, with few entangled hairs, 1-1.2 mm.

dark brown, oval, 0.8 mm;

caruncle about 0.2 mm.

= 24.

= 20, 22.