资料来源 : Webster's Revised Unabridged Dictionary (1913)

   {False loosestrife}, a plant of the genus {Ludwigia}, which
      includes several species, most of which are found in the
      United States.

   {Tufted loosestrife}, the plant {Lysimachia thyrsiflora},
      found in the northern parts of the United States and in
      Europe. --Gray.