Flora of North America species comparison

arching, leafy, droopingtipped, ± terete, ribbed, slender.

arching, slender, leafy.

exceeded by culm;

blades elongate linear, proximally flat, 2–3 mm wide, apex trigonous, subulate.

clusters of spikelets 3–6, progressively wider-spaced proximally, narrow, elongate; leafy bracts slender, mostly exceeding clusters.

terminal and lateral, clusters 2–3, loosely turbinate, clusters, capillary pedunculate;

distal foliaceous bracts mostly exceeded by inflorescences.

redbrown, lanceoloid, 5–7 mm, apex acuminate;

fertile scales narrowly ovate, 4–5 mm, apex acuminate, midrib included or shortexcurrent.

few per cluster, brown, broadly ovoid, 4 mm, apex acuminate;

fertile scales oblongovate, 3 mm, midrib forming small awn.

perianth bristles 6, exceeding tubercle, antrorsely barbellate.

perianth bristles 6, exceeding tubercle tip, antrorsely barbellate.

(1–)2–3(–4) per spikelet, 3–3.2 mm;

body brown, narrowly oblong-ellipsoid, flattened, 2 × 0.8–1 mm;

surface strongly transversely wavyrugose, vertically finely striate between ridges;

tubercle compressed, narrowly triangular-subulate, 1 mm.

mostly 2 per spikelet, 3 mm;

body pale yellowbrown, pyriform-obovoid, lenticular, 2 × 1.4 mm;

surfaces transversely wavyrugulose, vertically striatealveolate between ridges;

tubercle subulatetriangular, 1 mm.

leaves exceeded by culm;

blades spreading to ascending, narrowly linear, proximally flat, 2–3.5 mm wide, apex trigonous, tapering.