Flora of North America species comparison

erect to ascending, leafy, stiff.

erect to arching-ascending, leafy, wand-like.

shorter than scape;

blades narrowly linear, (1–)2–3 mm wide, margins involute, apex trigonous, tapering.

mostly basal, few and increasingly distant upculm, shorter than scape;

blades narrowly linear, concave proximally, (1–)2–3 mm wide, tapering and increasingly involute-sulcate proximally, margins scabrid, apex triquetrous, tip narrow but blunt.

clusters 1–2, if 2 then close together, dense, broadly turbinate to hemispheric or lobedglobose;

primary leafy bract linear, stiff, exceeding clusters.

clusters 1(–2), if 2 then close together, dense, broadly turbinate to hemispheric;

primary leafy bracts linear, stiff, exceeding clusters.

light to dark redbrown, lanceovoid, 3.5–6 mm, apex acuminate;

fertile scales ovate, convex, 3–3.5(–4) mm, apex acuminate, low midrib excurrent or not.

light brown, narrowly lanceoloid, 8–10 mm, apex acuminate;

fertile scales lanceolate, convex, (6–)7–8 mm, apex narrowly acute, low midrib short-excurrent or not.

perianth bristles 6, reaching at least to tubercle base, plumose from base to more than 1/2 length of fruit body.

perianth bristles 6, excurved, plumose from base to midbristle, 5–7.5 mm, antrorsely barbellate to tip.

1(–2) per spikelet, (2–)2.5–2.8(–3) mm;

body redbrown or brown, tumidly obovoid, (1.5–)2–2.2 × 1–1.7 mm;

surfaces interruptedly transversely rugulose;

tubercle broadly conic, 0.5–0.8(–1) mm, base broadly 2lobed, apex often apiculate.

1–2 per spikelet, 2.3–2.6 × 1.1–1.2 mm;

body brown, short-stipitate, tumidly obovoid, subterete, 1.8–2 mm, margin low, broad;

surfaces interruptedly transversely wavy-rugulose;

tubercle broadly and concavely conic, 0.5–0.7 mm high, base shallowly 2-lobed, discoid, abruptly narrowed to blunt tip.