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Xerocomus subtomentosus

 
Xerocomus subtomentosus, also known as Boletus subtomentosus, is sometimes referred to as the Yellow Cracking Bolete (although the cap does not always crack). This is an infrequent species and is mainly found under broad-leaf trees.

Identification guide

Cap

Young caps are hemispherical and downy, becoming smooth and sometimes cracking as the fruiting bodies mature.

When fully expanded, the caps of Xerocomus subtomentosus range from 4 to 8 cm in diameter.

Tubes and Pores

The tubes and pores are chrome yellow, darkening with age, and the tubes have adnate attachment to the stem..

When cut or bruised, neither the tubes nor the pores show any hint of bluing.

Stipe

Pale like the cap or slightly darker, the stem is slightly bulbous at the base and its cap-coloured flesh does not change colour significantly when cut and exposed to air.

Between 1 to 2 cm in diameter, the stem is typically 4 to 8 cm long.

Spore print

The spores are olive-green or brown.

Odour/taste

Not distinctive.

Habitat

Found singly or in small groups under broad-leaf trees in calcareous regions.

Season

August to October.

Occurrence

Infrequent. 

Similar species

  1. Xerocomus Chrysenteron has a reddish stem, usually untapered, and its cap cracks to reveal red flesh immediately below the skin.
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