plural rubus
: any of a genus (Rubus) of plants (such as a blackberry or a raspberry) of the rose family with leaves that typically have three to seven leaflets or that are simple and lobed, white or pink flowers, usually prickly stems, and a mass of carpels ripening into an aggregate fruit composed of many drupelets
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“Rubus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rubus. Accessed 1 Dec. 2024.
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