Flora of North America species comparison

stiffly erect to ascending, linear, leafy toward base, sharply trigonous, angles scabrid.

shorter than culm;

basal leaves forming strong rosette, shortlinear, flat, 3–5 mm wide, distal more widely spaced, narrower, apex shortacuminate, trigonous.

spikelet clusters 1(–2), if 2 then closely set;

terminal cluster mostly dense, hemispheric;

proximalmost leafy bract subulate, much exceeding clusters.

dark redbrown, ovoid, (4–)5–6 mm, apex acute;

fertile scales ovate, mostly 4–4.5 mm, apex excurvedcuspidate.

bristles 12, reaching to or slightly beyond tubercle tip, antrorsely barbellate.

1–2 per spikelet, 3–3.5(–3.7) mm;

body dark brown with paler center, dull, broadly ellipsoid-lenticular, 2–2.5 × 1.8–2 mm, smooth, margins flowing to tubercle;

tubercle flat, concavely triangular, 0.7–1(–1.2) mm.