Flora of North America species comparison

short.

conspicuous.

cespitose, 15–30(–35) cm.

not cespitose, decumbent, 10–20 cm.

short, slender.

sheath throat acutely angled, pilose;

basal leaf blade 5–10 cm × 3–8 mm, apex short acuminate, mostly glabrous;

cauline leaves (1–)2–4, 3–5 cm × 2–4 mm.

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

anthelate, few flowered;

main branches generally 2–4, spreading less than 90°, lax, usually arching;

proximal inflorescence bract 1 cm or less;

bracts and bracteoles brown;

margins with long curly cilia.

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.

solitary on short pedicels;

tepals dark purplish brown (margins finely lacerate toward apex), 2–2.5 mm, margins finely lacerate toward apex, apex acute, not reflexed;

anthers ± equaling filament length;

stigmas 2 times style 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 brown, less than 2.5 mm, slightly longer than tepals;

beak absent.

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

dark reddish brown, cylindric, 1.2–1.6 mm;

caruncle essentially absent.

reddish, globose, 1–1.3 mm;

caruncle to 1/2 seed length.

= 24.

= 12.