OregonFlora species comparison

ligules (1)1.7–8(11.2) mm, truncate to obtuse;

blades 4–15(25) cm × 2–7 mm; flat.

ligules 1–3(7.5)mm; dorsal surfaces scabrous, membranous;

blades 2–12 cm × 2–10 mm; flat; upper blades wider than lower blades.

(3)5–30 × 0.5–4 cm, contracted; spike-like, usually dense, sometimes interrupted near the base, bases usually exserted from the upper sheaths at maturity; lowest node with 1–5 branches;

branches ascending to appressed;

spikelet-bearing to or near the base, usually hidden by the spikelets; lower branches 1–2(4) cm.

2–10 × 0.5– 2 cm; narrow; dense; ellow-green, sometimes tinged with purple, bases often enclosed in the upper sheaths at maturity;

branches appressed; to 1.5 cm, mostly hidden by the spikelets.

crowded.

1.5–3.5 mm, scabrous on the midvein and sometimes on the back, 1(3)-veined;

tips acute or long-acuminate, with an awn-like tip to 1 mm.

2–3.3 mm, 1-veined, densely scabrous over the back, strongly scabrous on the veins;

tips narrowly acute to acuminate or mucronate.

with sparse to abundant hairs up to 0.3 mm.

hairs to 0.3 mm; the hairs usually dense.

1.2–2.2 mm; smooth, 5-veined;

veins sometimes extended as teeth to 0.1 mm;

tips acute; entire to toothed; awnless or awned;

lemma awns 0–3.5 mm, arising from above mid-length; straight or bent.

1.5–2.1 mm; (3)5-veined;

veins extended as teeth to 0.3 mm;

tips acute to obtuse, sometimes toothed; awnless or awned;

lemma awns 0–3.5 mm, arising from above mid-length; straight, readily falling off.

absent or to 0.5 mm.

(0.3)0.5–0.7 mm.

0.3–0.5 mm.

3, 0.3–0.6 mm.

0.3–0.7 mm.

=28, 42, 56.

=42.