Klamath weed

noun
Klam·​ath weed | \ ˈkla-məth- How to pronounce Klamath weed (audio) \

Definition of Klamath weed

: a European yellow-flowered perennial Saint-John's-wort (Hypericum perforatum) that is naturalized in North America especially in rangelands

First Known Use of Klamath weed

1922, in the meaning defined above

History and Etymology for Klamath weed

Klamath (River)

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The first known use of Klamath weed was in 1922

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Cite this Entry

“Klamath weed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Klamath%20weed. Accessed 5 Dec. 2020.

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