Flora of North America species comparison

absent.

loosely cespitose, light green, 15–25 cm.

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

to 4 cm;

scale leaves present; adventitious roots present.

sheaths dull brown-gray at base, becoming green distally, throats hairless;

basal leaves flat toward base, channeled toward apex, 4–16 cm × 3–8 mm, apex abruptly pointed, callous, glabrous.

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.

asymmetric in appearance;

glomerules (1–)2–5, central glomerules sessile or nearly sessile, 3–9 × 2.5–6 mm;

capillary branches 2–8, arched in 1 direction, to 3.5 cm;

proximal inflorescence bract bladeless.

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.

tepals brownish translucent (apex lacerate to entire), 2–3 mm, apex lacerate to entire;

anthers equal to or exceeding filaments.

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

anthers 2 times filament length;

stigmas 2 times style length.

light chestnut brown, broadly 3-angled, shorter than tepals.

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

beak a mucro.

most failing to mature, brown (with few hairs present), 3-angled, 0.9–1.1 mm, few hairs present;

caruncle barely visible.

dark brown to black, 1.4 mm;

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

= 36.

= 52 (Japan).