Calathea Lancifolia - Rattlesnake Plant - Pet Safe HouseplantCalathea Lancifolia, also known as the Rattlesnake Plant, is a striking houseplant loved for its long, wavy leaves adorned with bold, dark green patterns that resemble a rattlesnake's skinhence the name. The undersides of the leaves are a rich purple, creating a beautiful contrast and interest from every angle. Like other prayer plants, its foliage moves gently with the light, folding upward at night in a graceful, natural rhythm. It's also non toxic