Flora of North America species comparison

loosely cespitose, light green, 15–25 cm.

cespitose, 10–40 cm.

absent.

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.

sheath throats with long, soft, wavy hairs;

basal leaves 5–15 cm × 3–7 mm, margins with long, soft, wavy hairs, apex callous.

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.

umbellate or sessile glomerules, 5–15 × 5–7 mm;

glomerules 1–6, spheric to nearly cylindric;

branches straight, divergent by as much as 90°, 0.5–5 cm;

proximal inflorescence bract conspicuous, shorter than to much longer than inflorescence;

bracts clear, margins nearly entire to lacerate;

bracteoles clear, margins ciliate, especially in distal half.

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

anthers equal to or exceeding filaments.

tepals dark brown to pale with clear margins, 2–5 mm;

outer whorl often longer than inner whorl;

anthers much exceeding to shorter than filaments.

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

greenish to dark brown, spheric, equal to or much shorter than tepals.

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

caruncle barely visible.

red-brown to brown, cylindric, 1–1.5 mm;

caruncle 0.3–0.8 mm.

= 36.

= 12, 24.