Flora of North America species comparison

conspicuous.

densely cespitose, 5-20 cm.

not cespitose, decumbent, 10–20 cm.

short, slender.

sheaths brown to straw-colored;

basal leaves to 10 cm × 4 mm;

cauline leaves usually 2, reduced.

basal leaves few, 2.5–15 cm × 4 mm, apex callous, pilose.

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.

racemose;

glomerules 2–6, central glomerules sessile or all congested, not cylindric;

peduncles straight, divergent as much as 90°, to 3 cm;

proximal inflorescence bract dark, often purplish, leaflike.

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

anthers ± equaling filament length.

tepals dark reddish, shining, with wide clear margins and apex, (apex acuminate, midrib extending as awned tip), 3–3.5 mm;

outer and inner whorls equal;

anthers ca. 2–6 times filament length;

stigmas ± equal to style.

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

brown, shining, (usually lighter than tepals), conspicuously shorter than to nearly equal to tepals; (beak obvious).

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

reddish, globose, 1–1.3 mm;

caruncle to 1/2 seed length.

= 24.

= 12.