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 hairy with stiff, often retrorse hairs; upper sheaths pubescent or glabrous;

blades 9–13 cm × 2–4(9)mm, 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.

7–16 × 3–6 cm; open; erect to ascending; some branches longer than the spikelets; slender, ascending to spreading.

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

14– 18(30) mm, oblong-lanceolate; terete to moderately laterally compressed, not purple-tinged, 4–9(13) florets;

floret bases usually concealed at maturity;

rachilla internodes 1.5–2 mm, usually concealed at maturity.

villous, pubescent, or glabrous;

lower glumes 4–9 mm, 1-veined;

upper glumes 7–13 mm, 3–5-veined.

glabrous, occasionally scabrous or pubescent;

lower glumes 5–7 mm, 5-veined;

upper glumes 6–9 mm, 7(9)-veined.

equal to or shorter than paleas, weakly to strongly inrolled.

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.

8–11.5 × 1.7–2.6 mm, elliptic to lanceolate; leathery; backs usually glabrous, rounded over the back, distinctly 7(9)-veined;

veins not raised and thickened;

margins scabrous or pubescent, bluntly angled, inrolled or not at maturity;

tips acute to obtuse; bifid;

teeth shorter than 1 mm;

tips awned;

lemma awns 3–10 mm; straight, arising less than 1.5 mm below the lemma tips, awn of the lowest lemma shorter than the others.

0.5–1 mm.

0.7–2(3)mm.

1–2 mm shorter than lemmas.

=14.

=14, 28, 56.