OregonFlora species comparison

often puberulent.

lower sheaths densely pilose; upper sheaths pubescent or glabrous;

blades 2–19 cm × 1–4 mm;

lower surfaces glabrous or pubescent;

upper surfaces pubescent.

sheaths softly pubescent to pilose;

blades 1–15 cm × 1–5 mm, pubescent on both surfaces.

1–13 × 1–4 cm; erect, usually ovoid; open at anthesis, becoming contracted and dense, occasionally reduced to 1 or 2 spikelets;

branches usually shorter than the spikelets, ascending to erect; straight or nearly straight.

2–10 × 2–5 cm; erect; dense, often reddish brown;

branches 0.1–1 cm, ascending, never drooping, not readily visible, 1–2 spikelets.

(11)14–20(23)mm, lanceolate; terete to moderately laterally compressed, 5–10 florets;

floret bases usually concealed at maturity;

rachilla internodes concealed at maturity.

18–25 mm; much longer than the panicle branches, densely crowded, subsessile, moderately laterally compressed, with 4–8 reddish florets.

pilose to glabrous;

lower glumes 5–7 mm, 3–5-veined;

upper glumes 6.5–8 mm, 5–7-veined.

pilose;

lower glumes 5–8 mm, 1(3)-veined;

upper glumes 8–12 mm, 3–5-veined.

equal to or shorter than paleas; thin, weakly inrolled to flat.

6.5–11 × 3–5 mm, lanceolate, chartaceous, antrorsely pilose to pubescent, occasionally glabrous near the base or throughout, 7–9-veined; hyaline margins abruptly or bluntly angled, not inrolled at maturity;

lateral veins prominent, thickened and raised;

tips rounded to acute; bifid;

teeth shorter than 1 mm;

lemma awns 6–8 mm, usually arising less than 1.5 mm below the lemma tips; straight to recurved at maturity.

10–15 mm, linear-lanceolate, pubescent to pilose, 7-veined;

margins hyaline;

tips acuminate, with teeth 1–4 mm, awned;

lemma awns 8–20 mm; straight.

0.6–1.5(2)mm.

0.5– 1 mm.

=28.

=14, 28.