Flora of North America species comparison

basally cormlike, trigonous, 5–40 cm × 0.5–1.3 mm, glabrous.

trigonous, (2–)6–15(–35) cm × (0.3–)1–1.8 mm, glabrous.

V-shaped, 5–25 cm × 1–3 mm, slightly minutely scabridulous abaxially on margins, midrib.

1–5, flat to V-shaped, (1–)5–15(–22) cm × (0.5–)1.5–3 mm.

spikes loosely ± globose, 6–20 mm wide;

rays 1–8 cm;

rachis 1–4 mm;

bracts 3–8, ascending, V-shaped, 3–20 cm × 1–3 mm;

rachilla deciduous, wings hyaline, 0.6 mm wide.

spikes ± digitate, ± globose, 7–40 × 10–20 mm;

rays (0–)1–6, 2–12 cm;

if absent, inflorescence a sessile cluster of (1–)3–10 spikelets;

rachis 2–5 mm;

bracts (1–)4–5(–6), ascending, V-shaped, 1–15(–20) cm × 0.5–3.5 mm;

rachilla persistent, wingless.

3–18(–28), oblong-lanceoloid, compressed, 3–12 × 1.8–2.5 mm;

floral scales deciduous, 2–11, yellowish brown to reddish brown, laterally 3–4-ribbed, ovate, 2–2.8 × 1.6–2.2 mm, apex mucronulate.

(1–)3–12(–16), greenish white, linear to linear-lanceoloid, compressed-quadrangular, 6–34(–40) × 2–3(–3.6) mm;

floral scales deciduous, (8–)16–36(–42), spreading, laterally whitish, greenish, or pale brownish, medially green, weakly 7–9-ribbed, laterally weakly 1–2-ribbed, most ribs medial, ovate, (2.4–)2.6–3 × (1.9–)2–2.4(–2.5) mm, apex acute to ± acute, cuspidate tip (0.3–)0.5–0.7(–0.8) mm.

anthers 0.7–1 mm;

styles 0.4–0.6 mm;

stigmas 1–2 mm.

anthers 0.6–0.7 mm;

styles 0.9–1.3 mm;

stigmas 0.5–0.8 mm.

dark brown, ± stipitate, ellipsoid, 1.5–2 × 0.7–1 mm, apex obtuse, apiculate surfaces glabrous or puncticulate.

brown, stipitate to sessile, obovoid, (1–)1.2–1.4(–1.5) × 0.9–1(–1.1) mm, apex obtuse to emarginate, surfaces very finely puncticulate.

= 166.