epiphyllum

noun ep·i·phyl·lum \ ˌepəˈfiləm \

Definition of epiphyllum

1 capitalized : a small genus of tropical American cacti having flattened jointed irregularly branching stems and showy tubular flowers — see orchid cactus

2 plural -s : any plant of the genus Epiphyllum; especially : crab cactus

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