OregonFlora species comparison

blades flat to involute, 1–4 mm wide.

blades involute, 1.2–1.9 mm wide when flat.

panicles compact to open at maturity, 5–30 cm, usually distinctly exserted from the sheaths; lower branches erect to diverging or occasionally descending;

spikelet-bearing from the base or in the distal 67%;

pedicels scabrous, lacking tumid epidermal cells.

panicles compact to open at maturity, 2–18 cm; lower branches ascending to descending, usually spikeletbearing to the base;

pedicels scabrous, lacking tumid epidermal cells.

3.5–9 mm, 2–7 florets.

3.5–8 mm, 2–6 florets.

rounded over the back;

veins obscure;

tips acute to obtuse;

lower glumes 0.5–1.5 mm, usually less than half as long as the adjacent lemmas;

upper glumes 1–2.8 mm.

rounded over the back;

veins obscure;

tips acute to obtuse;

lower glumes 0.7– 1.5 mm;

upper glumes 1.4–3 mm.

(2)2.2–3(3.5) mm, 5-veined;

veins obscure, not extending to the margins; smooth distally;

lateral margins inrolled or not;

margins near the tips uniformly and densely scabrous;

tips acute to obtuse; entire.

2.4–4 mm, sometimes weakly keeled, 5-veined;

veins obscure;

midveins often slightly scabrous and prominent in the distal half, often extending to the margins near the tip;

lateral veins not extending to the margins; apical margins; smooth to scabrous; entire;

tips acute; entire.

0.6–2 mm.

1–2 mm.

=28, 42, 56.

=14.