Sparganium glomeratum (Laest.) Neuman

  • 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

    Sparganium glomeratum (Laest.) Neuman

  • Description

    Species Description - Stems stout, floating to erect, 2–6 dm; lvs flat or weakly keeled, 3–8 mm wide, the bracteal ones much dilated at base, infl usually simple, occasionally with a basal branch; pistillate heads several, closely glomerate, sessile, 1.5–2 cm thick when ripe; tep linear-oblong, reaching just beyond the middle of the fr, attached at or near the base of the short stipe; achene brown, shining, the body fusiform, 3–4 mm, slightly constricted below the middle, tapering to a straight or slightly curved beak 1.5–2 mm; staminate head 1(2), contiguous with the upper pistillate head; 2n=30. Bogs and shallow water; interruptedly circumboreal, reaching our range in N. Minn.