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Noun: Christmas cactus  'kris-mus 'kak-tus
  1. Epiphytic cactus of Brazilian ancestry widely cultivated as a houseplant having jointed flat segments and usually rose-purple flowers that bloom in winter
    - Schlumbergera buckleyi, Schlumbergera baridgesii

Derived forms: Christmas cacti

Type of: cactus

Part of: genus Schlumbergera, Schlumbergera

Encyclopedia: Christmas cactus