epiphyllum

[ ep-uh-fil-uh m ]
/ ˌɛp əˈfɪl əm /

noun

any of several mostly epiphytic cacti of the genus Epiphyllum, native to tropical America, having large, fragrant white flowers.
Also called orchid cactus.

Origin of epiphyllum

< New Latin, equivalent to Greek epi- epi- + Greek phýllon leaf; so called from the leaflike branches on which the flower grows

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