Sulphur Polypore
(Brown Cubical Rot of Oak, Heart Rot of Oak, Heart Rot of Willow, or Chicken of the Woods)
Description
Fruit-body annual, semicircular bracket-like to fan-shaped, often imbricate. Cap 10-30 cm breed, 1-5 mm thick. Upper surface irregularly undulate, velvety, sulphur-yellow to orange, zoned towards the downcurved margin.
Tubes 3-5 mm long, sulphur-yellow. Pores 3-5 per mm, circular to elongate, sulphur-yellow, occasionally with guttation drops. Flesh juicy, sulphur-yellow, later goat' s cheese crumbly, whitish grey (341D.jpg).
Spore-print colour white.
Suspect/Edible?
Occurrence
On trunks and stumps of living deciduous trees (Oak, Willow, Robinia, Cherry, Poplar) in open landscapes. Spring to autumn.
Parasitic.
Related and/or similar species
See also the imperfect form of Ceriomyces aurantiacus.