OregonFlora species comparison

puberulent.

internodes glabrous;

nodes (3)4–7(8), pubescent or the lower culms glabrous.

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

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

basal sheaths retrorsely pilose, sometimes glabrous; upper sheaths glabrous;

throats glabrous or pilose;

ligules 0.4–1.4 mm;

blades 13–25 cm × 4–10 mm; flat;

lower surface glabrous, sometimes pilose;

upper surface usually pilose, sometimes glabrous.

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.

10–20 × approximately 12 cm; open, nodding;

branches ascending, spreading, or drooping.

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

15– 25 mm, elliptic to lanceolate; terete to moderately laterally compressed, with 4–9 florets.

villous, pubescent, or glabrous;

lower glumes 4–9 mm, 1-veined;

upper glumes 7–13 mm, 3–5-veined.

glabrous;

lower glumes 5.5– 7.5 mm, 1(3)-veined;

upper glumes 7.1–8.5 mm, 3-veined.

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.

9.5–14 mm, elliptic to lanceolate, rounded over the back; backs glabrous or scabrous; lower 50–67% of margins conspicuously hirsute;

tips obtuse to acute; entire;

lemma awns 2–4(5)mm; straight.

0.5–1 mm.

1.5–2 mm.

=14.

=14.