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.

0.9–1.7 mm thick, not nodulose;

internodes glabrous for most of their length, scabrous to short-hairy 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 4–16 cm × 2–4(5)mm; flat at maturity;

lower surface scabrous;

upper surface 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.

2–15 × 0.5–2.8 cm, contracted; dense;

primary branches 0.5–5 cm × over 0.1 mm, appressed or strongly ascending, diverging up to 30(40)° at maturity;

pedicels 0.5–1.5 mm, appressed, strigose.

1.5–3.8 mm, often purple-tinged.

2–4 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.

equal to subequal, 2–4 mm, subequal to or longer than the florets and lemmas, 1-veined;

veins minutely scabrous;

tips acuminate to awntipped.

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.

2–3.5 mm, lanceolate; grayish green; hairy on the calluses and lemma bases;

hairs 2–3.5 mm and 75% as long or longer than the lemmas;

tips acuminate;

lemma awns 1–10 mm.

0.3–0.5 mm; yellowish to purplish.

0.4–1.5 mm, yellow.

=40.

=20.