Flora of North America species comparison

solitary or few together, somewhat trigonous, (20–)30–70(–80) cm, stout, to 1.5(–4) mm diam. basally;

basal sheaths persistent, brown to purplish brown, septate-nodulose.

(10–)20–90 cm × 0.5–0.8(–1.5) mm, scabrous distally.

blades filiform, trigonous-channeled, (2–)3–10 cm × 1–2 mm;

distal 1–2 leaf sheaths bladeless, inflated.

blades trigonous-channeled in cross section, to 45 cm × 1–1.5(–3) mm;

distal leaf blade 3–25 cm × 1–1.5 mm, longer than its (1–)2.5–9 cm sheath.

involucral bracts absent.

blade-bearing involucral bracts solitary, similar to distal leaf, blade sometimes brown proximally, 0.8–6 cm.

solitary, erect, globose in fruit, 1.5–2(–4) cm;

scales blackish to purplish brown;

proximal empty scales not more than 7, obovate or trigonous-obovate, 4–20 mm, margins white or paler, as wide as dark portion, apex blunt;

distal scales obovate to ovate-lanceolate, margins hyaline, 1 mm wide or wider.

(1–)2–7, in subumbels, ovoid, 7–10 mm in flower, 20–30 mm in fruit;

peduncles 5–20(–60) mm, scabrous;

scales green to red-brown to almost black, sometimes with green center, ovate-elliptic, 3–4.5 mm, scarious, margins narrow, to 0.2 mm, midrib prominent, fading distally or proximal scale with 2–4 thinner or equally prominent lateral ribs, apex obtuse.

perianth bristles 10 or more, red-brown to white, 20–40 mm, smooth;

anthers (0.6–)1.5–3 mm.

perianth bristles 10 or more, cream, 10–20 mm, smooth;

anthers 1–2 mm.

oblong-obovoid, 2–2.7 mm, as wide as long, apex apiculate (0.3–0.5 mm).

narrowly obovoid, 2.5–3 mm.

= 58.