(n) epiphytic cactus of Brazilian ancestry widely cultivated as a houseplant having jointed flat segments and usually rose-purple flowers that bloom in winter, Syn. Schlumbergera baridgesii, Schlumbergera buckleyi
(n) spring-blooming South American cactus with oblong joints and coral-red flowers; sometimes placed in genus Schlumbergera, Syn. Schlumbergera gaertneri, Hatiora gaertneri