Lythrum salicaria

Từ điển WordNet v3.1 - WordNet Dictionary

noun

marsh herb with a long spike of purple flowers;
originally of Europe but now rampant in eastern United States
• Syn:
purple loosestrife, spiked loosestrife
• Hypernyms:
loosestrife
• Member Holonyms:
Lythrum, genus Lythrum