Identifying Your Bolete
5.22
SPRUCE BOLETE
Leccinum piceinum
Frequency
Plentiful
Habitat Area
Under spruces and pines, mainly in northern forests.
Cap
Brick-red.
Margin
Appendiculate, with flaps of sterile tissue.
Tubes
Adnate, depressed near the stalk, white at first staining brown in age.
Pores and Pore Surface
Pore surface grayish, staining brownish when bruised; pores small and circular, 3 per mm.
Stalk
Smaller toward the apex and the base.
Stalk Feature
Blackish scabers on the stipe, but whitish at first at the top to become blackish thereafter.
Flesh
Whitish, staining purple-gray when cut, colour change is sometimes quick, other times slow, bluish or reddish hues may appear at the base of the stalk.
Basal Mycelium
White.
Chemical reactions
FLESH: the flesh turns black with phenol and formalin, while a pale beige tint is observed with KOH, NaOH, FeSO4 and NH4OH.
CAP-STIPE: towards black with phenol and formalin on cap and stipe, as well as a pale beige color on the stipe with KOH and NaOH; with the other reagents the changes are not obvious.
TUBES: generally black (or gray) with young or mature fruitbodies.
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In dehydrated blends, the six species in this group are generally referred to as Orange-capped Bolete or Spruce Bolete before being marketed.
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