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Noun: crab cactus
  1. South American jointed cactus with usually red flowers; often cultivated as a houseplant; sometimes classified as genus Schlumbergera
    - Thanksgiving cactus, Zygocactus truncatus, Schlumbergera truncatus

Derived forms: crab cacti

Type of: cactus

Part of: genus Zygocactus, Zygocactus