Inkstain Bolete - Cyanoboletus pulverulentus

Alternative names
Boletus pulverulentus
Description

A medium-sized bolete with a brown cap and yellow pores. The cap may have reddish or purplish tones. The stipe is yellow and red, finely red-dotted but without a reticulum.  The whole fruit body immediately stains dark blue when cut or bruised.   

Similar Species

other strongly blueing boletes have a reticulum (net-like pattern) on the stipe. 

Identification difficulty
Recording advice

Photograph a fresh specimen from top down and in side view, and underneath to show pores and full length of stipe.  Note habitat and substrate. Check for staining on cap and pores when bruised.  We also recommend cutting vertically through cap and stem to show flesh colour and any staining. 

Habitat

Usually found under deciduous trees, particularly Oak and Beech.

When to see it

Summer and autumn.

VC55 Status

Occasional in Leicestershire and Rutland.

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Species profile

Common names
Inkstain Bolete
Species group:
Fungi
Kingdom:
Fungi
Order:
Boletales
Family:
Boletaceae
Records on NatureSpot:
2
First record:
25/09/2011 (Watson, Ashley)
Last record:
13/11/2015 (Watson, Ashley)

Total records by month

% of records within its species group

10km squares with records

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