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spiny clotbur

noun
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variants: or spiny cocklebur

Definition of spiny clotbur

: a European cocklebur (Xanthium spinosum) naturalized widely as a weed in waste grounds and having 3-branched spines at the axils of the leaves

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“Spiny clotbur.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/spiny%20clotbur. Accessed 12 December 2019.

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