Flora of North America species comparison

erect to excurved, leafybased, filiform.

shorter than culm;

blades ascending to excurved, filiform, proximally to 1 mm wide, margins involute, apex trigonous, subulate, tapering.

spikelet clusters 1–3, laterals 0–2, turbinate, rarely hemispheric; leafy bracts setaceous, overtopping inflorescence.

redbrown, narrowly lanceoloid, 5–7 mm, apex acute;

fertile scales lanceolate, 3.5–5 mm, apex acute, mucronate.

perianth absent.

2(–5) per spikelet, (1.7–)2–2.2 mm;

body on short, setulose receptacular stipe, brown with pale center, obovoidlenticular, 0.8–1.1 mm, surfaces very finely longitudinally lined, sometimes faintly reticulatecancellate;

tubercle triangular subulate, 0.7–0.9 mm, base lunate, edges setulose.