VELVETLEAF, Abutilon theophrasti Medic, 1, root; 2, upper part of stem with flowers; 3, flower; 4, seed pod; 5, seed. Annual, with strongly developed taproot and stem. Stem smooth, covered with short velvety hairs, often 6 to 8 feet (1.8 to 2.4 m) tall. Leaves large, heart-shaped, pointed, alternate, petioled, and with a soft, velvety, hairy surface. Flowers about 1/4 inch (1.9 cm) in diameter with 5 yellow petals; borne on short stalks attached to leaf axils on upper part of stem. Seed pod cup-shaped, about 1 inch (2.5 cm) in diameter, with ring of prickles about upper edge; contains 5 to 15 seeds. Seeds grayish-brown, flattened, notched, about 1/8 inch (3 mm) long. Found principally in soybean and corn fields but occasionally in gardens, along fence rows, and in waste places. Also commonly known as buttonweed.