Equisetum palustre 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

    Equisetum palustre L.

  • Description

    Species Description - Stems annual, all alike, 2–8 dm, deeply 5–10-sulcate, smooth to the touch but with minute transverse ridge-wrinkles on the angles, the stomates in a single broad band in each furrow, the central cavity small, less than 1/3 the diameter of the stem, about the size of the vallecular cavities; sheaths green, 5–10 mm, rather loose, with persistent teeth, these 3–7 mm, black or dark brown at least in part, with evident, often rather broad, pale and hyaline margins; branches few and irregular to numerous and whorled at the middle and upper nodes, 5–6-angled, simple, the first internode shorter than the associated stem-sheath; cone pedunculate, 1–3.5 cm, blunt, deciduous. Streambanks, wet meadows, and marshes; circumboreal, in Amer. s. to Pa., Ill., N.D., and Wash.

  • Common Names