Scotch broom
noun
: a deciduous broom (Cytisus scoparius) of western Europe that is widely cultivated for its bright yellow or partly red flowers and that has become naturalized in North America
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“Scotch broom.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Scotch%20broom. Accessed 14 Jul. 2025.
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Scotch broom
noun
: a deciduous broom (Cytisus scoparius) of western Europe that contains the alkaloid sparteine, is the source of scoparius, and is widely cultivated for its bright yellow or partly red flowers
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