Flora of North America species comparison

short.

absent.

cespitose, 15–30(–35) cm.

loosely cespitose, 10–30 cm × 0.5–3.5 mm.

to 4 cm;

scale leaves present; adventitious roots present.

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.

sheaths reddish, throats pilose;

blade sparsely pubescent;

basal leaves 6–10 cm × 2–5 mm;

cauline leaves 2–3, to 4(–6) cm × 1–2.5 mm.

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.

simple or rarely branching;

proximal inflorescence bract to 1/2 length of inflorescence;

bracts brown, apex truncate, glabrous;

bracteoles ovate, 1/2 length of tepals;

pedicels spreading, 1–4 cm.

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 brown, 1.6–2.5 mm, margins entire, clear;

anthers 2 times filament length;

stigmas 2 times style length.

dark brown, less than 2.5 mm, slightly longer than tepals;

beak absent.

straw-colored, sometimes reddish, equal to or exceeding tepals;

beak a mucro.

dark reddish brown, cylindric, 1.2–1.6 mm;

caruncle essentially absent.

dark brown to black, 1.4 mm;

caruncle erect to slightly curved, 2/3 length of seed body.

= 24.

= 52 (Japan).