Aristida purpurascens Poir.

  • 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

    Aristida purpurascens Poir.

  • Description

    Species Description - Perennial 4–10 dm, tufted on a knotty base; lvs to 2 dm, mostly flat, 1–4 mm wide; lower sheaths covering the nodes, usually ± pilose; infl 1–2 dm, slender, loosely or densely spike-like, with short, ascending or appressed branches; glumes 1-veined, the first 8–14 mm, scabrous on the keel and sometimes on the sides, the second 6.5–11.5 mm, almost always exceeding the lemma and exceeded by the first glume; lemma 5.5–9.5 mm; awns about equally divergent, the central one 2–3.5 cm, the lateral 1.5–2.5 cm. Dry sandy soil and prairies; Mass. to s. Ont., Wis., and Kans., s. to Fla. and Tex.

  • Common Names

    arrowfeather three-awn