Monographs Details: Ctenium
Authority: Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Description:Genus Description - Spikelets sessile, pectinately arranged in 2 rows on one side of a flat rachis, articulated above the glumes, with several lemmas, of which only one is fertile; first glume small, nearly hyaline, 1-veined; second glume nearly as long as the spikelet, firm on the round exposed back, thin on the sides, conspicuously 3-veined, the midvein prolonged into a stout divergent awn from near the middle of the glume; lemmas thin, obscurely 3-veined, the two lower empty, without paleas, the third with a palea and a fl, the upper 1-3 sterile and much reduced; midvein of the lower 3 lemmas prolonged into an awn from below the tip; perennials with narrow lvs, membranous ligule, and a solitary, usually curved spike. 20, New World and Afr.