Piptochaetium avenaceum (L.) Parodi

  • 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

    Piptochaetium avenaceum (L.) Parodi

  • Description

    Species Description - Loosely tufted, 5–10 dm; sheaths glabrous; ligules ovate, 2–3 mm; blades 2–3 dm × 1–2 mm, glabrous or nearly so; panicle 1–2 dm, loose, open, few-fld, the slender divergent branches each with 1 or 2 spikelets; glumes 9–13 mm, abruptly short-acuminate; mature lemma dark brown, 7.5–11 mm, villous in the basal third, glabrous in the middle, scabrous distally, its margins inrolled to form a deep ventral groove; awn scabrous, 4.5–7 cm, twice geniculate in the middle, the central segment ca 1 cm; 2n=22, 28. Dry woods; Mass. and N.Y. to Fla., w. to Ky., Ark., and Tex.; also in Mich. and n. Ind., mainly near the e. side of Lake Michigan. (Stipa a.)