Ten Houseplants With the Most Unique Leaves Rose Painted Calathea Prayer Plant Appearance: It features nearly black, glossy leaves adorned with distinct bright pink, pinstripe like markings. Unique Behavior: Often called a prayer plant because its leaves fold upward Rectangle Willow Trellis, Small Pine bonsai tree growth stages Mistral Bonsai A Guide to Indoor Flowering Plants Mahoney's Garden Center