purple loosestrife | sense examples, Usage and Definition from wordnet dictionary online

Noun purple loosestrife has 1 sense

purple loosestrife, spiked loosestrife, Lythrum salicaria - marsh herb with a long spike of purple flowers; originally of Europe but now rampant in eastern United States
--₁ is a kind of loosestrife
--₁ is a member of Lythrum, genus Lythrum