1. Erect perennial aquatic herb of Europe and North America having submerged spongy leaves and pendulous racemes of blue flowers above the water
   - Lobelia dortmanna

Type of: lobelia

• fluency
• fluent
• fluent aphasia
• fluently
• fluff
• fluff up
• fluffiness
• fluffy
• fluffy omelet
• flugelhorn
• fluid
• fluid drachm
• fluid dram
• fluid drive
• fluid flywheel
• fluid mechanics
• fluidal
• fluidics
• fluidise
• fluidity
• fluidize
• fluidness
• fluidounce
• fluidram
• fluke