GREENFLOWER PEPPERWEED, Lepidium densiflorum Schrad. 1, plant with flower pods; 2, seeds. Annual or winter annual, reproducing by seed. Root a short, straight taproot. Stems erect, 4 to 15 inches (10 to 38 cm) high, without branches on lower part but with several spreading flowering branches on upper part. Leaves oblong, 1 to 2 inches (2.5 to 5 cm) long, with short sharp teeth or sometimes deeply cut. Flowers greenish. Seed pod round to oblong, somewhat flattened. Seeds small, reddish, oblong, twice as long as wide. Found in fields, pastures, roadsides.