OregonFlora species comparison

nodes terete or weakly compressed.

bulbous at the base;

nodes terete.

intravaginal.

intravaginal.

sheaths closed about 33% of their length;

ligules 0.5–3(5) mm;

blades flat or weakly folded, 1–10 cm × 1–3(6)mm; smooth.

sheaths closed about 25% of their length;

basal sheaths swollen at the base;

ligules 1–3 mm;

blades flat, 1–2.5 mm wide; soon withering.

1–7(10)cm;

branches ascending to spreading or reflexed.

ovoid, 3–12 cm;

branches 2–5 per node, ascending to spreading.

3–5 mm long;

florets 2–6;

rachilla internodes smooth, glabrous; more or less concealed, occasionally exposed;

distal rachilla internode less than 50(75)% of the length of distal lemma.

3–5 mm;

florets 3–7, commonly all or all but the lowest producing bulblets, occasionally all producing seeds.

lower glumes smooth, 1-veined.

keels scabrous;

lower glumes 3-veined;

upper glumes shorter than or subequal to lowest lemma.

glabrous.

with cobwebby hairs or glabrous.

lanceolate, 2.5–4 mm, keeled; smooth; keels; marginal veins; and usually intermediate veins crisply puberulent to long-villous, rarely glabrous; area between veins glabrous;

tips obtuse to acute.

lanceolate, 3–4 mm, distinctly keeled, glabrous throughout, or keels and marginal veins shortto long-villous; area between veins glabrous or softly puberulent;

tips acute.

0.6–1.1 mm, oblong.

developed and 1.4–2 mm, or aborted late in development, or not developed.

=28.

=21–42.