Cyperus squarrosus L.

  • 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 squarrosus L.

  • Description

    Species Description - Slender, tufted, sweet-scented annual 0.5–2 dm; lvs few, all borne near the base, mostly 0.5–2(–2.5) mm wide, up to as long as or a little longer than the stems; invol bracts elongate, some or all of them much surpassing the infl; spikelets in dense, capitate clusters, the terminal cluster sessile, the others (if present) on slender rays to 3 cm; spikelets 4–10 mm, flattened, 6–20-fld; scales evidently (5)7–9-nerved, 1.0–1.7 mm exclusive of the recurved, slender awn-tip, this 0.3–1 mm; rachilla wingless, ± persistent, the scales falling from it at maturity; stamen 1; anthers 0.2–0.3 mm; achenes trigonous, 0.6–1 mm; 2n=48, 56, 64. Moist or wet, often sandy soil; nearly cosmop., and throughout our range. (C. aristatus; C. inflexus)