Noun: crab cactus
- South American jointed cactus with usually red flowers; often cultivated as a houseplant; sometimes classified as genus Schlumbergera
"The crab cactus brightened the windowsill with its festive blooms";
- Thanksgiving cactus, Zygocactus truncatus, Schlumbergera truncatus
Derived forms: crab cacti
Type of: cactus
Part of: genus Zygocactus, Zygocactus
Encyclopedia: Crab cactus