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Definition of Thanksgiving cactus
1. Noun. South American jointed cactus with usually red flowers; often cultivated as a houseplant; sometimes classified as genus Schlumbergera.
Exact synonyms: Crab Cactus, Schlumbergera Truncatus, Zygocactus Truncatus
Generic synonyms: Cactus
Group relationships: Genus Zygocactus, Zygocactus
Generic synonyms: Cactus
Group relationships: Genus Zygocactus, Zygocactus