elodea noun. [ɛlǝ'di:ǝ, ɪ'lǝʊdɪǝ] L19.
[mod. Latin, from Greek helōdēs marshy.]
Any of various aquatic plants of the N. and S. American genus Elodea, of the frogbit family, with whorled leaves and small white or lilac flowers arising from axillary spathes; esp. E. canadensis (Canadian waterweed), widely naturalized in Europe.

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