CURLY DOCK, Rumex crispus L. 1, lower part of plant; 2, upper part of plant; 3, seed; 4, distribution. Perennial, with large, yellow, somewhat branched taproot, reproducing by seed. Stems smooth, erect, 1 to 4 feet (0.3 to 1.2 m) tall, single or in groups from the root crown. Leaves mostly basal, smooth, 6 to 12 inches (15 to 30 cm) long, lanceolate, with wavycurled edges. Upper leaves alternate, the base of the short petiole having a papery sheath surrounding the stem. Flowers in dense clusters on branches at tip of stem, without petals, small, greenish, becoming reddish-brown at maturity. Seeds brown, shiny, triangular, and sharp edged, surrounded with 3 heart-shaped bracts with smooth edges. Found in pastures, roadsides, new hay fields, and waste areas.

BROADLEAF DOCK, Rumex obtusifolius L. 5, seed; 6, leaf; 7, distribution. Similar to curly dock. Leaves broad and flat with a heart-shaped base. Bracts surrounding seed with toothed edges.