OregonFlora species comparison

nodes terete.

intra- and extravaginal or mainly intravaginal.

intravaginal.

sheaths closed to 25% of their length;

ligules 1–3 mm;

blades flat or folded, or slightly inrolled, 0.5–2 mm wide.

sheaths closed about 33% of their length;

ligules 0.5–3 mm;

blades flat, 1–3(4) mm wide; smooth.

erect, contracted, 1–3 cm long, usually exserted from the sheaths;

branches erect to steeply ascending; slender; to 1.5 cm.

1–6 cm;

branches ascending;

spikelets crowded.

3–4 mm, green or purple;

florets 2–3;

rachilla internodes less than 1 mm long; smooth.

3–5 mm;

florets 2–6;

rachilla internodes smooth, glabrous, usually exposed in side view;

distal internode 50–75% the length of the distal lemma.

lanceolate to broadly lanceolate, 2.4– 3.6(4) mm, usually equaling or exceeding the lowest lemma, frequently exceeding the upper florets;

lower glumes 3-veined.

smooth;

lower glumes 1-veined.

glabrous.

glabrous.

lanceolate, 2.5–3 mm long, distinctly keeled; thin, glabrous;

keels and marginal veins rarely sparsely puberulent;

tips acute.

lanceolate, 2–2.5 mm, distinctly keeled; smooth throughout; keels; marginal and intermediate veins crisply puberulent to long-villous; area between veins glabrous, intermediate veins prominent;

tips obtuse to acute.

0.2–0.8 mm.

0.1–0.5(0.6)mm; spherical to short-elliptical.

=14.

=14.