schlumbergera truncatus(n = noun.plant) crab cactus, thanksgiving cactus, zygocactus truncatus - South American jointed cactus with usually red flowers; often cultivated as a houseplant; sometimes classified as genus Schlumbergera;
is a kind of cactus
is a member of genus zygocactus, zygocactus

chlamyphorus truncatus, genus schlumbergera, schlumbergera, schlumbergera baridgesii, schlumbergera buckleyi, schlumbergera gaertneri, tursiops truncatus, zygocactus truncatus