christmas cactus

Noun christmas cactus has 1 sense

• christmas cactus(n = noun.plant) schlumbergera baridgesii, schlumbergera buckleyi - epiphytic cactus of Brazilian ancestry widely cultivated as a houseplant having jointed flat segments and usually rose-purple flowers that bloom in winter; Array
is a kind of cactus
is a member of genus schlumbergera, schlumbergera