WHITE HEATH ASTER, Aster pilosus Willd. 1, basal part of plant; 2, flowering part of plant; 3, flower head; 4, seed with down attached. Perennial, with fibrous roots developing from the hard enlarged crown. Stems erect, 1 to 4 feet (0.3 to 1.2 m) tall, hard and tough, smooth or usually hairy or stiff-hairy, upper two-thirds much branched. Leaves at base narrowly lance-shaped, those on upper stem becoming very small and narrow, sharp-pointed, numerous. Flower heads 1/2 to 3/4 inch (1.3 to 1.9 cm) in diameter, very numerous, mostly on upper sides of branches; white ray flowers surrounding the yellow disk flowers. Seeds small, oblong, light brown, with a tuft of silky hairs attached to the top. Found in pastures, meadows, roadsides, and waste places. Difficult to control in areas that cannot be cultivated. A number of species resembling the one described are found in the region.