Calathea Zebrina - The "Zebra" plant.
Ovate and velvety green leaves with darker green stripes.
Medium to good indirect light (not too bright) for best color. Too much light will burn the leaves.
Regular watering: Allow the top 25" of the soil to dry before watering again. Let it drain out the bottom of the pot and discard any remaining water.
The like a bit of humidity. If leaves curl and/or start browning its too dry/hot/bright for the plant.
Prefers temps 60F+.
Fertilize in the growing season.