1. (noun) American plant having spikes of blue flowers and growing in shallow water of streams and ponds

• pickerel weed
• pickerelweed
• wampee

1. (noun) American plant having spikes of blue flowers and growing in shallow water of streams and ponds

• aquatic plant
• hydrophyte
• hydrophytic plant
• water plant

1. (noun) American plant having spikes of blue flowers and growing in shallow water of streams and ponds

• genus pontederia
• pontederia