Arrhenatherum

• Authority

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

• Family

  Poaceae

• Scientific Name

  Arrhenatherum P.Beauv.

• Description

  Genus Description - Spikelets 2-fld, disarticulating above the glumes and between the lemmas; glumes unequal, chartaceous, hyaline in age, the first shorter, 1-veined, the second equaling the lemmas, 3-veined; lemmas thin, rounded on the back, short-bearded at base, 5–7-veined, the lower enclosing a staminate fl and bearing below the middle a long geniculate awn, the upper one enclosing a perfect fl and awnless or bearing just below the tip a much shorter straight awn; tall perennials with flat lvs and narrow panicles. 6, temp. Eurasia.

• Common Names

  oatgrass