ROUGH FLEABANE, Erigeron strigosus Muhl. 1, plant; 2, leaf from middle of stem; 3, seed. Annual, winter annual, or biennial, reproducing by seeds. Stems clustered, 1 to 3 feet (30 to 90 cm) tall, hairy, with numerous branches from the upper part. Leaves variable, lower ones ovate, upper lanceolate, blade often tapering toward base to form more or less winged petiole. Flower heads 1/2 to 1 inch (1.3 to 2.5 cm) in diameter, white to lavender ray flowers surrounding the yellow disk flowers. Seeds 1/16 inch (1.5 mm) long, wedge-shaped, with a tuft of short white bristles at top. Found most commonly in old hayfields and thin pastures. Several similar species differing slightly from the above occur in the region. Also known as daisy fleabane.