crab cactus vs Zygocactus truncatus

crab cactus and Zygocactus truncatus both are nouns.

Word	Noun	Adjective	Verb	Adverb
crab cactus	Yes	No	No	No
Zygocactus truncatus	Yes	No	No	No

As nouns, crab cactus and Zygocactus truncatus are synonyms defined as:

crab cactus and Zygocactus truncatus: South American jointed cactus with usually red flowers; often cultivated as a houseplant; sometimes classified as genus Schlumbergera

Other synonyms of crab cactus include Schlumbergera truncatus, Thanksgiving cactus.

crab cactus (noun)	Zygocactus truncatus (noun)
South American jointed cactus with usually red flowers; often cultivated as a houseplant; sometimes classified as genus Schlumbergera	South American jointed cactus with usually red flowers; often cultivated as a houseplant; sometimes classified as genus Schlumbergera