The on with big leaves is a Maranta or "Prayer plant", and it's sharing a pot with a Heart leaved philodendron. Michael
it is actually a Red Veined Prayer plant .. i have one and it grows pretty easy and produces tiny lil white and purple flowers.. they ar pretty .. they like morning sun and humidity .. Marn
I have one (as per yours pictured with the big leaves) as well and just researched it as: Maranta leauconeura var. erythroneua; common name = 'Red Herringbone Plant' Some (ideal) care tips: H2oing: Summer: moist/ Winter: sparingly Lighting: Moderate Temperature: Warm Feeding: Summer: Bi-weekly/ Winter: Occasionally Propagation: By tipcuts