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Noun: purple loosestrife
  1. Marsh herb with a long spike of purple flowers; originally of Europe but now rampant in eastern United States
    "Purple loosestrife has invaded many American wetlands";
    - spiked loosestrife, Lythrum salicaria

Derived forms: purple loosestrifes

Type of: loosestrife

Part of: genus Lythrum, Lythrum

Encyclopedia: Purple loosestrife