Flora of North America species comparison

trigonous to roundly trigonous, (0.5–)5–25(–105) cm × 1–2.5(–7.5) mm, glabrous.

trigonous, (1–) 20–40(–75) cm × 1–1.5(–2.5) mm, glabrous.

flat to inversely W-shaped, 5–25(–90) cm × 2–5(–11) mm.

inversely W-shaped, 10–40(–70) cm × (1–)3–6(–10) mm.

spikes 1–3(–6), rather densely cylindric-ovoid, (4–)10–30(–45) × (6–)10–16(–23) mm;

rays 2–6(–12), 1–8(–28) cm;

bracts (3–)5–7(–11), horizontal to ascending at 30°, inversely W-shaped, (3–)10–20(–70) cm × 1–3(–12) mm;

rachilla persistent, at maturity becoming laterally free, remaining firmly attached proximally, wings 0.3(–0.4) mm wide.

spikes 1(–3), broadly and loosely ovoid to oblong-ellipsoid, (15–)20–30(–50) × 20–30(–45) mm;

bracts (3–)5–7(–10), ascending at 30(–45)°, inversely W-shaped, 10–30(–50) cm × (1–)3–5(–11) mm;

rays (2–)3–6(–12), (1–)3–10(–17) cm;

rachilla deciduous, wings ca. 0.3 mm wide.

(20–)40–80, linear, quadrangular, 3–8(–11) × 1–1.5 mm;

floral scales deciduous, 6–16(–30), appressed, laterally light brown with reddish speckles, medially greenish, laterally ribless, medially 3-ribbed, oblong-ovate to obovate, quadrangular to subterete, 1.3–1.5 × 0.8–1.2 mm, apex obtuse, mucronulate.

(10–)25–50(–100), ± terete, (appearing compressed due to excurved apices of floral scales), (8–)12–15(–24) × (0.8–)1.1–1.4(–1.8) mm;

floral scales persistent, (4–)6–8(–14), golden brown, off-white to stramineous, densely red-glandular punctate, green medially, 3–4-ribbed laterally, 3–5-ribbed medially, oblong-lanceolate, (3.2–)4–4.5 × 1.2–1.6 mm, apex blunt, mucronulate to mucronate, mucro 0.2–0.5 mm;

proximal scales mucronulate, distal scales mucronate;

terminal scale conduplicate.

anthers 0.2–0.3 mm, connectives 0.1 mm;

styles 0.7–0.8 mm;

stigmas 0.4 mm.

anthers 0.5–0.8(–1.4) mm;

styles 0.8–1 mm;

stigmas 1–2 mm.

light grayish to brown, sessile, ovoid, (0.4–)0.7–1 × 0.4–0.6 mm, apex rounded, apiculate, surfaces glabrous.

brown, ± sessile to stipitate, oblong-ellipsoid, 1.7–2 × 0.6–0.7 mm, 0.1(–0.2) × 0.2 mm, apex rounded, apiculate from dark purple style base, surfaces papillose.