FIELD PEPPERWEED, Lepidium campestre (L.) R. Br. 1, upper portion of stem; 2, seed; 3, basal leaf. Winter annual (south) or biennial (north), reproducing by seed. Stems hoary-pubescent or, rarely, hairless, 6 to 24 inches (15 to 60 cm) high, very leafy. Leaves on stem alternate, covered with soft hairs, arrow-shaped, bases clasping the stem; basal leaves lyrate, deeply cut at base. Flowers inconspicuous, white or greenish with 4 petals, borne in rather dense racemes at top of plant. Seed pods boat shaped, containing 2 seeds. Seeds dark brown, rough-coated, pointed at tip, shaped like grape seeds, often an impurity in winter wheat. XS in winter wheat, first-year meadows, wasteland.