July to October
Caloboletus calopus
Caloboletus calopus
Inedible
- Raw
- Raw consumption not applicable
- Cooking
- Cooking not applicable
- Review
- Do not consume
- Instruction
- Do not eat this species.
A bitter bolete with a pale cap, yellow pores that turn blue and a bright yellow and red stem bearing a pale network.
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Guide contents
Guide contents
Season
Indicative period: July to October.
Habitat
Broadleaf or conifer woodland, especially beneath beeches and oaks, often in mountain areas.
Method
Check several visible features before retaining a species name.
Three features to check on the specimen.
Cap
Convex, grey-beige to olive-brown and matt.
Pores
Bright yellow, then olive-yellow pores that turn blue when pressed, but are never red in the typical form.
Stem and flesh
Yellow at the top of the stem and red to carmine lower down, with a raised pale network. Pale yellow flesh that turns blue when cut.
Examine the specimen in this order.
- Examine the underside and the stem all the way to its base.
- Compare the flesh reaction only on a section already needed for examination.
- Keep the host tree and habitat as supporting evidence.
Features incompatible with this species.
- Caloboletus radicans, without marked red on the stem.
- Rubroboletus satanas, with red pores at maturity.
- Butyriboletus appendiculatus, without comparable bitterness.
