Flora of North America species comparison

20–90 cm, pilose.

10–83 cm × 0.8–1.3 mm, papillose at mid height.

ligules shorter than wide;

blades 1.5–4 mm wide, pilose on both surfaces.

ligule of distal leaf (2.1–)2.6–6.8 mm;

blades 1.4–3.8 mm wide, widest blade 2.3–3.8 mm wide.

lateral spikes 8–18 × 3–5.5 mm, usually crowded;

terminal spike gynecandrous, at least 1/2 of flowers pistillate, 10–20(–25) mm.

27–68 mm, proximalmost 2 spikes overalapping or separate;

proximal internode 7.3–28 mm;

proximal bract 11–61 mm;

spikes (4–)5–6(–7), usually gynecandrous, sometimes pistillate or staminate;

proximal spike usually with 1–3 staminate and 11–22 pistillate flowers, longest per plant with 12–22 pistillate flowers, 9.7–18 × 3.7–6.6 mm, longest per plant 12–18 mm;

terminal spike usually with 1–3 staminate and 14–21 pistillate flowers, sessile or on peduncle to 1.8 mm, 9.6–16 × 3.4–6.2 mm.

ascending, weakly 9–18-veined, obovate-circular, ± trigonous in cross section, 2–3 × 1.1–1.6 mm, not papillose, glabrous;

beak absent.

erect to appressed-erect, green to brown, veinless or weakly 1–3(–4)-veined abaxially, veinless adaxially, narrowly lanceolate in outline, 3.7–5.3 × 1.1–1.3(–1.4) mm, 3.2–3.9(–4.2) times as long as wide, apex gradually tapering;

beak 1.5–2.2 mm, 39–49% of total perigynium, margins denticulate for distal 49–60% of length of perigynium, apex entire or bidentulate, teeth 0–0.2(–0.4) mm, 0–8% of length of perigynium.

1.6–2.1(–2.6) × 0.8–1.3 mm.

1.6–2.2 × 1.1–1.3 mm, 1.5–1.8 times as long as wide.

scales ovate, 1.8–2.5 × 0.7–1.3 mm, apex obtuse, sometimes mucronate, shorter than perigynia.

scales whitish to castaneous, with green midrib, 2.9–4.4 mm, body 2.9–3.8 × 1.4–1.8 mm, apex acuminate to short-awned, awn to 1.1 mm.

scales ovate to lanceolate, 2.1–5.2 mm, apex acuminate.

scales with whitish to castaneous margins, 3.1–4.3 × 1–1.5 mm, apex acute to short-awned.

1.3–2.2 mm.

1.3–1.8 mm.

1.8–2.5 mm.

= 52.