The term 'Painted Desert Plants' refers to the plants that grow in the Painted Desert, a region of the southwestern United States. The most common type of plant found in the Painted Desert is the Yucca, which is a genus of perennial shrubs and trees. Yuccas have long, sword-shaped leaves and produce white or greenish-white flowers. They are drought-tolerant and can survive in extreme temperatures. Yuccas are an important part of the ecosystem of the Painted Desert, providing food and shelter for wildlife.