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Polyporus squamosus

 

Polyporus squamosus, commonly referred to as Dryad's Saddle, grows in overlapping clusters and tiers on broad-leaved trees. The fruit bodies appear in summer and autumn.

  Sycamore, willow, poplar and walnut trees are all commonly attacked by this impressively large and attractive fungus, which is commonly referred to as Dryad's saddle. (A dryad is a mythical wood-nymph.)

Insects quickly devour these large brackets, and in warm weather they can decay from full splendour to almost nothing in just a few days.

The outer edges of young caps are edible and tender, but mature caps have tough flesh - especially near to the stipe.

Description

Individual caps grow to between 10 and 60 cm in diameter and are 5 to 50 mm thick. Often in tiers, the caps are attached to the host tree by a very short lateral (occasionally eccentric but not quite lateral) stipe that darkens towards the base.

Beneath the yellow to tan upper surface, the cap flesh is white and tough.

Tubes and Pores

Irregularly oval tubes 5 to 10 mm deep terminate in irregular, angular pores that are white at first but turn cream as the fruiting body matures. The tubes run decurrently on to the short stem.

Spores

White.

Odour/taste

Floury odour and taste.

Habitat

Parasitic on broad-leaf trees.

Season

Spring to late summer or early autumn.

Occurrence

Common.

Similar species

  1. Piptoporus betulinus is a similar shape when fully mature but brown on top and white underneath; it is specific to birch trees.

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