Flora of North America species comparison

lax, leafy, mostly excurved, slender.

shorter than culm;

blades ascending, narrowly linear, proximally flat, 2–4(–5) mm wide, apex trigonous, short-subulate, tapering.

spikelet clusters 3–7(–10), dense, all but most distal widely spaced, broadly turbinate to ovate or hemispheric.

light red-brown, lanciform, 5 mm, apex acuminate;

fertile scales lanceolate, 4–4.5 mm, apex acuminate, midrib excurrent as awn.

bristles 6, reaching past tubercle base, usually to or slightly past its tip, antrorsely barbellate.

2(–4) per spikelet;

stipe and receptacle curled-setose, (0.5–)0.6–08(–1) mm;

body glossy, brown with pale center, narrowly obovoid-lenticular, 1.2–1.5 mm, surfaces minutely striate, sometimes transversely minutely rugulose with wavy rows of dark minute dots;

margins narrow, strong, flowing to tubercle;

tubercle narrowly triangular, slightly concave-sided, flattened, setulose-ciliate, 0.7–1.1 mm.