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Suillus grevellei

 
The most abundant of the Suillus species in the British Isles, the Larch Bolete appears in parks during summer and autumn. A woolly white veil covers the pores of young specimens.

Identification guide

Cap

Variously pale yellow, daffodil yellow, bright chrome yellow or bright rusty yellow, the cap of the Larch Bolete is very viscid when wet and remain shiny even in dry weather.

4 to 12 cm across at maturity, and expanding until almost flat (occasionally conical or with a marked raised central area, known as an umbo), the caps of large specimens of this conspicuous bolete are quite often somewhat wavy at the margin.

Tubes and Pores

At first lemon yellow, the angular pores take on a cinnamon tint as the fruiting body matures.

When bruised, the pores turn rusty brown.

The tubes are pale yellow and do not change colour when the cap is cut.

Stipe

1.2 to 2 cm in diameter and 5 to 7 cm long, the stip provides a useful identifying feature: the thin white veil that covers the tubes of immature fruiting bodies forms a transient ring of the stem. When the ring falls away a pale area is left on the stem.

Most of the stem is covered in brown dot-like scales; but above the ring zone the stem is often paler and almost scaleless (not so in the specimen shown here!).

Spore print

Ochre or sienna-brown.

Odour/taste

Not distinctive.

Habitat

Beneath larch trees.

Season

July to October.

Occurrence

Very common.

Similar species

  1. Suillus granulatus is quite similar but has no stem ring.
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