Often mistaken for the Pinnatipartia, the difference appears with maturity.  The Peru is fast growing, with leaves growing in size if allowed to climb.  

Known for its stiff and puckered leaves, this is an easy to care for plant. Water when soil is dry and provide a chunky well draining soil. New leaves start out with some yellow mixed in but mature to a dark green.

Growing in 90mm pot.  Plant pictured is an average size with average amount of leaves.  This is a fast growing Monstera, see last picture for example of a Peru that is a year old.