Identifying Your Bolete
5.25
UNUSUAL BOLETE
Leccinum insolens
Frequency
Rare
Habitat Area
Under poplars and birches.
Cap
Brown cap, paler in age, sometimes pinkish-brown, with fibrils forming downy patches or small scales at maturity.
Margin
Appendiculate with a narrow band of sterile tissue.
Tubes
Adate, depressed near the stalk, bulging in age.
Pores and Pore Surface
Whitish when young becoming olive-dull in age, browning when bruised; pores circular to angular, 1-4 per mm.
Stalk
Nearly equal to enlarging toward the base.
Stalk Feature
Whitish scabers when young that become darker in age.
Flesh
Whitish, staining pinkish gray to purple-gray when cut, reddish or bluish at the base of the stalk.
Chemical reactions
FLESH: discoloration to white with KOH, NaOH, FeSO4 and NH4OH; to black with phenol and no reaction with formalin.
CAP: no obvious reaction.
STIPE: towards pale beige with KOH, NaOH and NH4OH; to gray or black with FeSO4, phenol and formalin.
TUBES: towards brown with KOH, NaOH and NH4Oh: towards black with FeSO4, phenol and formalin.
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