Monstera epipremnoides

About

Monstera epipremnoides is a species of flowering plant in the family Araceae, endemic to Costa Rica and Panama. When mature, its leaf blades are up to approximately 70 cm in length and they are pinnatifid, with perforations regularly splitting through the leaf margin, dividing the leaves so that they have three to 15 lobes per side of the leaf, often with long internal fenestrations running along them.

Summary from Wikipedia