Noun: Christmas cactus 'kris-mus 'kak-tus
- 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