trifoliate orange
noun
: a thorny Chinese tree (Poncirus trifoliata) of the rue family related to the citruses that has trifoliolate leaves and a sour yellow fruit resembling a small orange and that is grown for ornament or hedges or used as a rootstock for citrus fruits
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“Trifoliate orange.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trifoliate%20orange. Accessed 7 Jul. 2026.
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