OregonFlora species comparison

sheaths glabrous;

blades 4–10 mm wide;

basal portion of upper surfaces with papillosebased hairs.

dense; spike-like, 1–7(15) × approximately 1 cm, uniform in width throughout;

bristles 4–12 per spikelet, 3–8 mm, antrorsely scabrous.

2–3.4 mm.

lower glumes approximately 33% as long as the spikelets, 3-veined; acute;

upper glumes approximately 50% as long as the spikelets and 50–67% as long as the upper lemmas.

lower lemmas as long as the upper lemmas and lower paleas; upper lemmas exposed, strongly transversely rugose.