Definition of frostwort

: a shrubby frostweed (Helianthemum canadense) of northeastern North America with solitary terminal petalous flowers and few apetalous cleistogamous flowers

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First Known Use of frostwort

1814, in the meaning defined above

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The first known use of frostwort was in 1814

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Cite this Entry

“Frostwort.” Dictionary, Merriam-Webster, Accessed 25 Oct. 2020.

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