Christmas cactus Word Origin noun
- a cactus, Schlumbergera bridgesii (or Zygocactus bridgesii), native to Brazil, having stems with leaflike segments and showy, purplish-red flowers, and often cultivated as a houseplant.
Origin of Christmas cactus First recorded in 1895–1900 British Dictionary definitions for christmas cactus Christmas cactus noun
- a Brazilian cactus, Schlumbergera (formerly Zygocactus) truncatus, widely cultivated as an ornamental for its showy red flowers