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crown wart

noun
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Definition of crown wart

: a disease of alfalfa caused by a fungus (Urophlyctis alfalfae) which produces large dirty-white excrescences at the stem base

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“Crown wart.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crown%20wart. Accessed 24 Oct. 2020.

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