Ctenanthe are related to Maranta, Calathea and Stromanthe. All are known and cherished for their extraordinary decorative foliage and are sometimes called Prayer Plants due to the way the leaves close upwards in a prayer-like fashion in the dark.
Bright, indirect light. Will tolerate some degree of shade; however insufficient light may cause loss of variegation in the leaves. Too much light on the other hand will cause the leaves to fade.
Keep soil moist at all times. Allow the top of the soil to dry out slightly before watering.