Flora of North America species comparison

stiffly erect, leafy, triangular, multiribbed.

erect to ascending, narrowly linear, wandlike, terete, leafy proximal to middle.

ascending, overtopped by inflorescence;

blades flat proximally, 3–10(–15) mm wide, apex attenuate, trigonous.

erect to ascending;

blades proximally flat, 2.5–3.5 mm wide, apex tapering, tip abruptly blunt.

terminal and axillary, narrow, clusters of corymbs, clusters dense, mostly broadly turbinate, 13–15 mm;

bracteal leaves mostly exceeding subtended compounds.

terminal, cluster of spikelets crowded, broadly turbinate to hemispheric, to 1.5 cm wide; leafy bracts linearsetaceous, slightly exceeding cluster.

brown, lanceoloid, 13–15 mm, apex acuminate;

fertile scales lanceolate, 10–13 mm, apex acuminate, midrib shortexcurrent.

orangebrown, lancefusiform, 6–7 mm, apex acuminate;

fertile scales lanceovate, 4–5 mm, apex acuminate with excurved awn to 1 mm.

longer perianth bristles usually fully 2 times length of fruit body, antrorsely barbellate.

bristles 3–4, some reaching tubercle tip, antrorsely barbellate.

1–2 per spikelet, 20–25 mm;

body pyriformobovoid, compressed, 5–6 × 2.6–3.6 mm;

tubercle attenuate, 2-grooved, (15–)18–20(–21) mm.

1–2 per spikelet, 2–2.1 mm;

body brown with paler center, obovoidlenticular, 1.5–1.7 × 1.2–1.3 mm, margins flowing to tubercle;

surfaces finely transversely striate with minute pits;

tubercle lowtriangular, 0.3–0.5 mm.

= 18.