Grows individually or in clumps on wood. Clumps in fan-like shapes, growing up to 60cm. Smooth to slightly wavy edges. Bright orange or yellow when young, fading with age. Not gilled, but a polypore with yellowish-white spores on its underside. Spore size: 5-7×3.5-5um. Flesh is thick and moist when young, becoming drier with age.

Commonly called the sulphur shelf, chicken of the woods, chicken fungus, or chicken mushroom.