OregonFlora species comparison

0.5–2 mm thick; much branched above the base, not nodulose;

internodes dull, puberulent or glabrous for most of their length, sometimes strigose immediately below the nodes.

slender;

internodes mostly glabrous, minutely scabrous or smooth, minutely scabrous or with tiny, appressed hairs below the nodes.

blades 2–20 cm × 2–6 mm; flat, scabrous or smooth, those of the secondary branches similar in length and width to those of the main branches.

blades 0.5–4(10)cm × 0.8–2 mm; flat or involute;

lower surface scabrous;

upper surface shortly pubescent.

terminal and axillary, 2–21 × 0.3–3 cm; dense, appressed or diverging up to 30° from the inflorescence axis;

primary branches 0.3–5.5 cm × over 0.1 mm.

5–16(21) × 1.5–6.5 cm; open;

primary branches 8–42 × 0.05–0.1 mm, often capillary, diverging 25–80° from the inflorescence axes;

pedicels 2–7 mm; straight or curved but rarely curved as much as 90°.

1.5–3.8 mm, often purple-tinged.

0.8–1.5 mm.

subequal, 1.5–3.7 mm, approximately as long as or slightly shorter than the lemmas, 1-veined, tapering from the bases to the acuminate tips; awnless or awned; awns; if present; to 2 mm.

with sparse; tiny, appressed hairs at least near the tips, 1-veined;

lower glumes 0.5–0.8 mm, obtuse to acute;

upper glumes 0.6– 0.9 mm; broader than the lower glumes, obtuse.

1.5–3.8 mm, lanceolate, pubescent on calluses and lower portion of the midveins and margins;

hairs shorter than the florets; less than 1.5 mm long;

tips minutely scabrous, acuminate; awnless or awned;

lemma awns 0–10 mm.

0.8– 1.5 mm, lanceolate; brownish to purplish, glabrous or the midveins and margins appressed-pubescent;

tips obtuse to subacute; awnless.

0.3–0.5 mm; yellowish to purplish.

0.2–0.7 mm; purplish.

=40.

=60, 80.