Cyperus lancastriensis Porter

  • 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

    Cyperus lancastriensis Porter

  • Description

    Species Description - Stout perennial 3–9 dm with short, knotty rhizomes; lvs 4–10 mm wide, usually shorter than the stem; at least the lowest bract surpassing the infl; rays several, usually well developed, to 12 cm; spikes unbranched, short-cylindric, rounded at both ends, 1–3 cm; spikelets 50–100+, horizontally radiating except the uppermost and lowermost, subulate, 3–8-fld, acuminate, deciduous at maturity; scales oblong, 4–5 mm, appressed, finely multiribbed, obtuse, the tip of one reaching well beyond the base of the next one on the same side; anthers 0.7–1 mm; achenes trigonously obovoid-oblong, 2–2.6 mm, a third as thick, held between the hyaline wings of the rachilla. Woods and fields, N.J. to W.Va., O., and Mo., s. to Ga. and Ark.