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Christmas cactus

noun

Definition of Christmas cactus

  1. :  a branching Brazilian cactus (Schlumbergera bridgesii syn. S. buckleyi) having flat jointed stems with scalloped margins and showy usually red, pink, white, violet, or yellow flowers; also :  a related cactus (Schlumbergera truncata syn. Zygocactus truncatus) or a hybrid of this and the Christmas cactus



Origin of christmas cactus

from its annual blooming around Christmastime


First Known Use: circa 1900


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