Flora of North America species comparison

8-40 cm, slender, erect, with 2-5 nodes.

mostly basal;

sheaths usually smooth, sometimes scabridulous, not inflated;

ligules (0.7)1-3.8 mm, dorsal surfaces scabridulous, apices rounded to truncate, rarely acute, erose to lacerate;

blades 1-7 cm long, 0.5-2 mm wide, flat, becoming involute.

3-13 cm long, 1-6(8) cm wide, lanceolate to ovate, diffuse, exserted from the upper sheaths at maturity, lowest node with 1-6(10) branches;

branches scabridulous, fairly stiff, more or less ascending, branching at or above midlength, spikelets not crowded, frequently solitary, lower branches 1-4 cm;

pedicels 0.5-6.4 mm.

lanceolate to narrowly ovate, purplish.

subequal, 1.5-2.5 mm, 1-veined, usually scabrous to scabridulous, upper glumes sometimes smooth, apices acute to acuminate;

callus hairs to 0.3 mm, sparse;

lemmas 1.2-2.2 mm, usually smooth, sometimes scabridulous, translucent to opaque, 5-veined, veins usually prominent at least distally, sometimes obscure, apices acute to obtuse, entire, unawned;

paleas absent, or to 0.2 mm and thin;

anthers 3, 0.3-0.6 mm.

1-1.3 mm.

= 28.