Goeppertia Calathea lancifolia 'Rattlesnake Plant'
Strap, wavy pale green leaves with dark green stripes and dots.The dark purple underside is easily visible on the upright leaves.
Grow in bright light, shade or light filtered sun. Keep above 50 deg F. Makes an excellent indoor plant.
As taxonomists are wont to do, Calathea plants were renamed to Goeppertia.