Flora of North America species comparison

roundly trigonous, 300–500 cm × 15–45 mm, glabrous.

trigonous, glabrous.

bladeless.

V-shaped to flat, (2–)4–11 cm × 3–4 mm.

spikes loosely cylindric, 10–20 × 6–10 mm;

rays 40–100, drooping or arching, slender, 10–30 cm; 2d order rays 8–20 cm;

bracts 4–10, ± erect, V-shaped, 3–8 cm × 4–15 mm; 2d order bracts 2–5, (1.5–)4–16 cm × 0.5–2 mm;

rachilla persistent, separating laterally, remaining firmly attached basally, wings 0.3–0.4 mm wide.

rays absent;

bracts 2–4, ± horizontal, flat, 1–6.5 cm × 2–3 mm;

rachilla persistent, wingless.

6–30, slightly compressed, linear, ± quadrangular, 6–10 × 0.8–1 mm;

floral scales 6–16, reddish beside 5-ribbed green medial part, white to hyaline near margins, ovate-elliptic, 1.8–2.2 × 1.2–1.5 mm, apex acute to obtuse.

10–40, compressed, ovoid to linear-lanceoloid, quadrangular, 5–9 × 2–3 mm;

floral scales deciduous, 5–20, spreading, pale greenish to reddish brown, laterally (5–)7–9(–13)-ribbed, ovate, 3–4 × 1–2 mm, apex straight, excurved mucronate, or cuspidate.

anthers 0.8–1 mm (connectives prolonged beyond anther as red subulate appendage 0.2–0.5 mm, apex usually setose);

styles 0.2–0.4 mm;

stigmas 0.8–1.2 mm.

stamens 1–2;

filaments 1.5 mm;

anthers 0.8–1 mm, connective apex reddish yellow, less than 0.1 mm;

styles 0.8–1 mm;

stigmas 1–1.2 mm.

pale brown, sessile, oblong, 0.8–1 × 0.4 mm, apex scarcely apiculate, surfaces puncticulate.

brown to reddish brown, broadly ellipsoid to obovoid, 0.8–1.2 × 0.5–0.6 mm, base ± cuneate, apex truncate-obtuse, surfaces puncticulate.