Peperomia tetragona
Peperomia tetragona is a species of flowering plant in the family Piperaceae. It is native to South America with a range from Ecuador, Peru, and Paraguay to central/western Brazil. Long grown as a houseplant in temperate climates, it is often known by its synonym Peperomia puteolata or as the parallel Peperomia for the parallel venation on its elliptical leaves.