Postia ptychogaster

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Postia ptychogaster

The anamorph or asexual reproductive stage. Identified by Neil Mahler. 13 November 2010 Hampshire. Photograph copyright Leif Goodwin

Fruiting Body

The anamorph, or asexual reproductive stage, forms cushion like growths, which often overlap: surface woolly, whitish, with age becoming yellowish, and then brown and powdery, to about 10 cm across. This is followed by the teleomorph, or sexual reproductive stage which forms resupinate growth and brackets: upper surface velvety, white, underside white, pores angular, 3 to 4 per mm, to about 3 cm wide.

Flesh

Anamorph: soft, spongey, whitish, with age becoming brown and powdery. Teleomorph: firm, white.

Smell

Indistinct

Taste

Unknown

Season

All year but more common in late summer to winter

Distribution

Infrequent

Habitat

On dead wood from conifers, favouring stumps, and on the roots of Calluna (heather) on heaths

Spore Print

Chlamydospores brown, basidiospores white

Microscopic Features

Chlamydospores globose to irregularly ellipsoidal (5-10) x (3.5-7) µm2. Clamp connections seen in the anamorph hyphae. Basidiospores ellipsoidal, smooth (4.5-5.5) x (2-3) µm2

Edibility

Inedible