OregonFlora species comparison

puberulent.

sheaths densely and softly retrorsely pubescent to pilose; upper sheaths sometimes glabrous;

blades 1–16 cm × 1–6 mm, softly hairy on both surfaces.

lower sheaths densely pilose; upper sheaths glabrous;

blades 5–15 cm × 4–6 mm, densely pilose on both surfaces.

5–20 × 3–8 cm; open, nodding;

branches 1–4 cm, drooping, 1-sided and longer than the spikelets, usually at least 1 branch with 4–8 spikelets.

7–20 × 4–8 cm; open, nodding, often with few spikelets, usually 1-sided;

branches sometimes longer than the spikelets, ascending-spreading, flexuous, slightly curved.

10–20 mm, moderately laterally compressed, not densely crowded, 4–8 florets.

15–30 mm, lanceolate to elliptic; terete to moderately laterally compressed, 8–30 florets;

floret bases concealed at maturity;

rachilla internodes concealed at maturity.

villous, pubescent, or glabrous;

lower glumes 4–9 mm, 1-veined;

upper glumes 7–13 mm, 3–5-veined.

smooth, scabrous, or densely hairy;

hairs to 0.8 mm;

lower glumes 4.5–7 mm, 3–5(7)-veined;

upper glumes 6–8 mm, 7-veined.

as long as the paleas; thin, weakly inrolled or flat.

9–12 mm, lanceolate, glabrous or pubescent to pilose, 5–7-veined;

tips acuminate; hyaline; bifid, with teeth 0.8–2(3)mm, awned;

lemma awns 10–18 mm; straight.

8–11 × 2–2.4 mm, lanceolate, chartaceous; smooth, scabridulous, or densely pubescent with hairs to 0.8 mm, 7–9-veined;

margins hyaline, 0.6–0.9 mm wide, strongly angled above the middle, not inrolled at maturity;

veins not raised and thickened;

tips rounded to acute; bifid;

teeth shorter than 1 mm;

lemma awns 8–10 mm, flattened and sometimes twisted at the base, spreading at maturity, arising 1.5 mm or more below the lemma tips.

0.5–1 mm.

0.8–1.3 mm.

=14.

=14.