Peperomia quadrangularis
Peperomia quadrangularis, commonly known as the beetle peperomia, is a species of plant in the genus Peperomia of the family Piperaceae. Its native range is in tropical America, including areas in northern South America, Central America and the West Indies.
As a houseplant it is often sold under the synonym Peperomia angulata with lighter variants labelled "rocca verde" and darker "rocca scuro", and sometimes abbreviated.