Pontederia cordata

Từ điển WordNet v3.1 - WordNet Dictionary

noun

American plant having spikes of blue flowers and growing in shallow water of streams and ponds
• Syn:
pickerelweed, pickerel weed, wampee
• Hypernyms:
aquatic plant, water plant, hydrophyte, hydrophytic plant
• Member Holonyms:
Pontederia, genus Pontederia