Identifying Your Bolete
Pores and Pore Surface
Yellow to orange at first, ochre in age, immutable. Pores angular., very irrégular, 1-2 per mm.
Stalk Feature
Decorate with white to greyish gluten patches at first and glandular dots yellow when young, but darker in age.
Chemical reactions
Flesh: dark brown with KOH, NaOH, NH4OH and phenol; pale brown with FeSO4 and formalin.
Cap and stipe: towards brown with KOH, NaOH, FeSO4, NH4OH and phenol; no reaction with formalin.
Tubes: towards brown with KOH, NaOH and FeSO4; to orange and brown with NH4OH; to white with phenol and no change with formalin.
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