PROSTRATE PIGWEED, Amaranthus blitoides S. Wats. 1, lower portion of plant showing spreading habit; 2, upper part of plant with flowers; 3, seed; 4, distribution. Annual, reproducing by seeds. Stems 1 to 3 feet (30 to 90 cm) long, nearly smooth, reddish, spreading flat over the ground, mostly erect at the tips. Leaves small, alternate, simple, egg-shaped, broadest near tip. Flowers without petals, small, inconspicuous in axiIs of leaves. Seeds flattened, shiny, black, nearly circular, 1/16 inch (1.5 mm) in diameter. Found in fields, gardens, unused yards, and similar places.