Description
Fruit-body annual, crust-like, forming strips measuring a few square centimetres to several decimetres in length, with rows of shelf-like brackets. Cap protruding up to 2 cm. Upper surface with undulate zones, finely felted to smooth, brown to black, with undulate and white margin.
Tubes of variable depth, grey-brown to ochre-brown. Pores irregular, 1-2 per mm, up to 1 mm wide and up to 5 mm long, often distant, slot-like-dentate to maze-like, grey-ochre to light brown. Flesh leathery tough to hard and crumbly, cream to ochrous with black dividing line.
Spore-print colour white.
Occurrence
Fairly common on the sides and on the undersides of branches and trunks of deciduous trees.
Saprophyte.
Related and/or similar species
Also young fruit-bodies of Peniophora incarnata (247.jpg).