A resupinate, annual corticoid with a wrinkled fertile surface, orange to orange-grey in colour. The fruit bodies are tough and rather gelatinous. Fresh specimens are circular with a radial pattern in the wrinkles.  As they mature these merge with others to form large irregular crusts, sometimes growing over mosses and lichens. 

Photograph fertile surface to show wrinkled appearance; note host plant and substrate.  

Mainly on deciduous wood, typically beech and oak. sometimes on conifers; causing white rot

All year, but best in autumn.

Widespread and fairly frequent in Britain.

Fairly frequent in Leicestershire and Rutland.