Plants usually densely cespitose, with caudices. Basal rosettes well-differentiated; blades 1-5 cm, ovate to lanceolate. Culms 5-45 cm tall, 0.2-0.8 mm thick, erect, often purplish; nodes glabrous or sparsely pubescent; internodes often ascending-pubescent below; fall phase branching extensively from the basal nodes, usually forming very dense cushions. Cauline leaves 3-5; sheaths mostly shorter than the internodes, often purplish, glabrous or sparsely pubescent, margins often sparsely ciliate; ligules 0.2-0.5 mm, of hairs, without adjacent pseudoligules; blades 2-5 cm long (rarely longer), 1-4 mm wide, flat or involute, rather firm, ascending, often purplish, usually glabrous on both surfaces, bases subcordate, often with a few long, stiff cilia, margins narrowly white, cartilaginous, and scabridulous, blades of the flag leaves only slightly shorter than those of the lower leaves. Primary panicles 1.5-5 cm (seldom longer), nearly as wide as long, delicate, dense; branches numerous, flexuous, spreading, often purplish, glabrous or faintly scabridulous. Spikelets 1.1-1.5 mm long, 0.7-1 mm wide, broadly ellipsoid or obovoid, often purple-tinged, glabrous or puberulent, obtuse or subacute. Lower glumes approximately 1/3 as long as the spikelets, broadly acute or obtuse; upper glumes and lower lemmas subequal or the glumes slightly shorter than the lemmas; lower florets sterile; upper florets 0.9-1.2 mm, ellipsoid, apices exceeding the upper glumes and lower lemmas, subacute.
"decumbent" is not a number."elongated" is not a number.