What is "leaf cactus"

n. Either of two genera in the family ''Cactaceae'': (taxlink Epiphyllum species noshow=1) and (taxlink Pereskia species noshow=1).

The common name leaf cactus (plural leaf cacti) refers to either of the two following genera in the family Cactaceae:

• Epiphyllum, a genus of epiphytic cacti
• Pereskia, a genus with very primitive elements
• Pereskiopsis