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.

0.4–1 mm thick;

internodes usually nodulose for most of their length, puberulent or nodulose 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 0.4–6.5 cm × 0.5–4.2 mm; flat or involute; straight or curving; lower/outer surface glabrous; upper/inner surface minutely hairy.

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.

spike-like, 1–1.5 × 0.1–1.7 cm; inflorescence axes usually concealed by the branches;

primary branches 0.4–5 cm × over 0.1 mm thick, usually closely appressed at maturity, rarely diverging up to 20° from the inflorescence axes;

pedicels 0.2–2 mm.

1.5–3.8 mm, often purple-tinged.

1.7– 3.1 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.

subequal, 0.6–2 mm, 33–50% as long as the lemmas, green, 1(2)-veined; acute, sometimes with short points less than 0.2 mm;

tips acute, sometimes mucronate.

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.

1.7–3.1 mm, lanceolate; dark greenish, gray or mottled, glabrous;

tips minutely scabrous; acute to acuminate, sometimes mucronate; mucros to 0.5 mm.

0.3–0.5 mm; yellowish to purplish.

0.9–1.6 mm, yellow to purplish.

=40.

=40.