A creeping and climbing perennial vine, spreading by deep roots, very difficult to eradicate. Flowers on long peduncles from leaf axils, large, funnel-shaped, to 2½ inches long, white or sometimes pink with a few white stripes on the inside. Each flower subtended by small, oblong bracts. Bindweed flowers close by noon on sunny days. Blooms May–September. Leaves arrow-shaped with 2 squarish lobes, to 4 inches long.