Comprehensive DescriptionRead full entry
DescriptionRhizomatous perennials. Leaves mostly basal. Inflorescence a narrow spike-like panicle, the numerous long primary branches bearing very short secondary racemes. Spikelets of each pair similar; callus conspicuously bearded, the hairs forming an involucre around the spikelet; glumes equal, as long as spikelet, membranous; lower floret reduced to a lanceolate to oblong lemma, shorter than spikelet; upper floret bisexual; lemma lanceolate to oblong, hyaline, awnless.