Flora of North America species comparison

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

trigonous, 50–100 cm × 5–8 mm, glabrous.

bladeless.

3–6, V-shaped, 20–50 cm × 5–8(–10) 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.

spikes not appearing lateral, rays 5–8, 2–7(–12) cm;

bracts 3–4, ± horizontal to ascending at 45°, V-shaped, 5–25 cm × 1.5–8 mm;

spikes 1–4, ovoid, 2–4 × 2–3 cm;

rachis 1–2.7 cm, smooth or hispidulous;

rachilla persistent, wingless or with hyaline wings scarcely 0.1 mm wide.

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.

7–14, flattened, lanceoloid, 10–20 × 2–2.5 mm;

floral scales 10–30, laterally dark brown to reddish brown, medially greenish, laterally 5–9-ribbed, ovate-deltate;

anthers 3, 0.5 mm;

styles 0.5 mm;

stigmas 1.2–1.6 mm.

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.

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

brown, sessile, ellipsoid, 1.4–1.6 × 1.4–1.5 mm, apex obtuse, apiculate.