Munroa squarrosa
Stolons slender. Culms 3-15(30) cm, highly branched, scabrous, often minutely puberulent. Ligules 0.5(1) mm; blades 1-5 cm long, 1-2.5 mm wide. Spikelets 6-8(10) mm, with 3-5 florets. Glumes of first 1-2 spikelets subequal, 2.5-4.2 mm, narrow, 1-veined, acute; glumes of upper spikelets unequal, lower glumes reduced or even absent in the terminal spikelets; lemmas in lower spikelets scabridulous, lanceolate, midvein excurrent, forming a stout, scabrous 0.5-2 mm awn, lateral veins with a tuft of hairs on the margins near midlength, excurrent; anthers 1-1.5 mm. 2n = 16.
Distribution
Alta., Man., Sask., Colo., N.Mex., Tex., Utah, Calif., Minn., Kans., N.Dak., Nebr., Okla., S.Dak., Mont., Wyo., Ariz., Oreg., Nev.
Discussion
Munroa squarrosa grows in dry, open areas, usually in sandy soil or disturbed sites, from Saskatchewan and Alberta south to Chihuahua, Mexico.
Selected References
None.