Rough, hairy leaves which appear in opposite pairs. They are broadly ovate with a pointed tip. The upper leaves are smaller and more narrow. Similar in appearance to Perennial Sunflower (Helianthus x laetiflorus) only that it has more sharply-toothed leaf margins and winged stalks. Perennial.
Canada Potato, Earth Apple, Girasole, India Potato, Pignut, Sunchoke, Sunroot.