Cap 50-150 mm broad x 25-75 mm radius x 5-10 mm thick, semicircular to fan-shaped, often imbricate, tough and woody, glabrous, dull to shiny, orange to reddish orange or orangish brown with concentric zones. Pores round, 6-9 per mm, yellowish brown to cream-colored, tubes in a single layer, 1-5 mm long. Stem absent. Spore Deposit white. Edibility: edible but too tough to eat.