Flesh changes colour when cut to blue, pink, red or brown
Total, rapid colour change to blue
Under conifers, in mixed forests of conifers and deciduous trees.
Dark red to reddish brown, yellowing in age.
Adnate, depressed near the stalk.
Pores and Pore Surface
Pore surface red to orange-red, staining blue when bruised, 1-3 per mm.
Nearly equal or enlarged toward the base, concolor at the cap.
Reticulate at least in the upper part, concolorous with the cap, yellow near the apex.
Total, rapid colour change to blue when cut.
FLESH: towards the pinkish with KOH, NaOH and NH4OH; to gray with phenol and formalin; no reaction with FeSO4.
CAP: towards black with all chemical reagents.
STIPE: towards brown with KOH and NaOH; to black with FeSO4, NH4OH, phenol and formalin.