Farmland, floodplains, gardens, riversides, roadsides, wasteland, waterside.
Very large, floppy, rough, heart-shaped leaves. The long-stalked leaves have coarsely toothed margins and alternate as they go up their stems. The leaves can be as large as 16 inches long and 8 inches wide.
American Mary-gold, Comb Flower, Common Sunflower, Garden Sunflower, Golden Flower of Peru, St Bartholomew's Star, Wild Sunflower.