Prostrate summer annual with numerous smooth, branched stems. Leaves light green in color, smooth, spoon-shaped and arranged in whorls of five to six at each node. Flowers, white, arranged in clusters of two to five on slender stalks from leaf axils, petals five. Reproduces by tiny, reddish seed. Usually a problem only during turfgrass establishment. Found throughout most of the United States. Also found in Canada, through Mexico into Central and South America, Africa and Asia.