water lobelia

noun

Definition of water lobelia

: an erect perennial aquatic herb (Lobelia dortmanna) of Europe and North America with submerged spongy leaves and an emersed raceme of blue flowers

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Cite this Entry

“Water lobelia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20lobelia. Accessed 7 Dec. 2021.

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