Family, Mallow. Color, yellow. Calyx, 5 - cleft. Corolla, 5 - divided, the petals open and spreading, nearly 1 inch across. Flowers, on stout peduncles, in the leaf-axils. Stem, 3 to 6 feet high. Stamens, standing in a column around the pistil, bearing anthers at the top. Ovary separates into many cavities which are hairy and beaked. Leaves, broad, tapering at tip to a sharp point, strongly heart-shaped, often nearly a foot across, on long petioles. August to October.