Prairie Dock grows four to 10 feet tall. It is a native, perennial plant in Wisconsin. Its flower is yellow and sunflower-like, about two to 2-1/2 inches in diameter. The leaves are rough-textured, spade-shaped, and oriented vertically in a north-south direction, with coarsely toothed margins. They grow at the base of the plant. The foliage grows two to three feet tall, while the flower stalks can reach 10 feet. It grows in prairies, glades, fens, railroad rights-of-way, and other exposed habitats. (SF)