Pereilema J.Presl

Spikelets 1-flowered, in dense fascicles along the axis of a panicle, surrounded by numerous sterile spikelets in the form of bristles; rachilla disarticulating above the glumes, not produced beyond the floret; glumes equal, 1-nerved, thin, minutely lobed, awned from between the lobes, the awn slender, straight; lemma terete, pilose below, minutely bifid, the midnerve extending into a slender, flexuous, thread-like awn longer than the bristles; palea as long as the lemma, the keels approximate.