lythrum salicaria

2 definitions found

lythrum salicaria - Collaborative International Dictionary of English v.0.48 :

  Willow-herb \Wil"low-herb`\, n. (Bot.)
     A perennial herb (Epilobium spicatum) with narrow
     willowlike leaves and showy rose-purple flowers. The name is
     sometimes made to include other species of the same genus.
     [1913 Webster]
  
     Spiked willow-herb, a perennial herb (Lythrum Salicaria)
        with willowy leaves and spiked purplish flowers.
        [1913 Webster]

lythrum salicaria - WordNet (r) 2.1 (2005) :

  Lythrum salicaria
      n 1: marsh herb with a long spike of purple flowers; originally
           of Europe but now rampant in eastern United States [syn:
           purple loosestrife, spiked loosestrife, Lythrum salicaria
           ]