• Authority

    Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

  • Family


  • Scientific Name


  • Description

    Genus Description - Spikelets 1-fld (casually 2-fld in a few spp.), articulated above the glumes; glumes usually equal or subequal, seldom very unequal, subulate to ovate, keeled, 1-veined or rarely 2–3-veined or veinless, membranous or scarious toward the margins, acute to subulate or rarely truncate, often awned, the body shorter to a little longer than that of the lemma; first glume rarely obsolete; lemma membranous, laterally compressed but rounded on the back, 3-veined, acute to subulate, sometimes awned from the tip; palea nearly as long as the lemma; callus often bearded; style-branches naked; rachilla not prolonged; fr permanently enclosed by the lemma; our spp. perennial, often freely branched, bearing open or contracted panicles of small spikelets. 100, mainly New World.

  • Common Names