Tricholoma orirubens

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Tricholoma orirubens

17 November 2023 Preston Oak HIlls near Bentworth, Hampshire. Photograph copyright Leif Goodwin.

Cap

Convex, expanding with age, often with a central bump, surface initially felty then breaking up into woolly scales, dark grey brown to blackish brown, margin paler, to about 10 cm across

Gills

Emarginate, broad, crowded to fairly distant, white to pale grey, sometimes reddish with age, sometimes with blackish spots on the gill edges

Stem

Cylindrical to club shaped, whitish, fibrous, sometimes with blue-green or magenta spots at the base when picked, basal mycelium yellowish

Flesh

Firm, whitish

Smell

Sweet to mealy

Taste

Mealy

Season

Autumn

Distribution

Rarely recorded

Habitat

On soil, usually calcareous, with beech trees

Spore Print

White

Microscopic Features

Spores ellipsoidal, smooth (4-6.5) x (3-5) µm2, average Q = 1.2 - 1.4. Basidia mostly 4 spored. Clamp connections absent.

Edibility

Although edible, the species should be left due to its rarity

Tricholoma orirubens

A view in situ. 17 November 2023 Preston Oak HIlls near Bentworth, Hampshire. Photograph copyright Leif Goodwin.

Tricholoma orirubens

The bases of two stems showing blue-green colouration. 17 November 2023 Preston Oak HIlls near Bentworth, Hampshire. Photograph copyright Leif Goodwin.

Tricholoma orirubens

A specimen photographed one week after collection, note the pink gill edges. 17 November 2023 Preston Oak HIlls near Bentworth, Hampshire. Photograph copyright Leif Goodwin.

Tricholoma orirubens

Spores in Congo Red solution viewed with a 100X immersion objective. 17 November 2023 Preston Oak HIlls near Bentworth, Hampshire. Photograph copyright Leif Goodwin.