Mushrooms occurring in Europe - Trametes gibbosa

By marianomariano | Nature - mushrooms | 13 Aug 2019


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Trametes gibbosa - Annual mushroom, but persistent; most often hat-like, semicircular, cantilever, fan-shaped, flattened, attached with side, sometimes nodular. Hymenophore tubular, white-gray, straw-yellow.

Hat 50-200 mm wide, 10-80 mm thick. Upper surface uneven, nodular, folded, slightly velvety, felt, sometimes hairy, with age bare, usually concentrically furrowed and zoned. Off-white, yellowish, grayish, with time turning blue, greenish from algae. The edge is dull, even, with age thinner, wavy, usually lighter, grayish, sometimes red-brown. At the root, a characteristic bump, thickening, but not always.

Single-layer tubes, 3-15 mm long, whitish.

Pores 0.4-1 mm wide, 0.4-2 mm long, 1-2 by 1 mm; short, round on the edge, elongated in the center and at the base; thick-walled, labyrinthine, converging to the roots, sometimes pass in radially arranged plaques; white, white-gray, dry cream.

The pulp gradually thickens to the root, up to 30 mm, white; young, juicy, firm, later pubic, dry, corky, light. Faint taste, weak, mushroom smell.

Occurrence: In forests, parks, along roads; on dead, rarely alive and weakened wood of deciduous trees, especially beech, hornbeam, alder, poplar, birch, very rarely on coniferous wood. It usually grows in dense groups, rarely one by one; from August to October, but it is available all year round. Very common.

Value: Inedible mushroom.

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