Boletopsis leucomelaena    (Pers.) Fayod 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Incertae sedis/Thelephorales/Bankeraceae  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Thelephorales/Bankeraceae  

synonyms: Boletopsis subsquamosus, Caloporus leucomelas, Polyporus leucomelas, Boletopsis subsquamosa 

edibility : discard

potential confusions with  Boletopsis leucomelaena toxicity of Boletopsis leucomelaena genus Boletopsis  

The cap is very dark, smokey grey to blackish brown, convex, irregular, sinuate and bumpy, then depressed. The cap surface is dry, matt, smooth to fibrillose or finely scaly. The cap margin is thin, inrolled or upturned, wavy.

The stem is dark and of same colour as the cap, massive, cylindrical or stout, central or slightly off-centre, tapering at its base.

The flesh is white, turning slightly to pink when cut and exposed, then grey; its taste is mild or bitter; the odour is faint;

The tubes are white, very short (2 to 6 mm), decurrent.

The pores are white, sometimes slightly pinkish, irregularly angular, quite narrow (1 to 3 per mm). The spore print is pale grey-brown.

It grows in coniferous woods, mostly with spruce.

The fruiting period takes place from September to November.
Dimensions: width of cap approximately 9 cm (between 4 and 15 cm)
  height of stem approximately 5 cm (between 3 and 7 cm)
  thickness of stem (at largest section) approximately 25 mm (between 15 and 30 mm)

Distinctive features : blackish cap; short white and decurrent tubes; white pores; flesh turning pinkish when exposed to air; in the mountains with spruce

Boletopsis leucomelaena is still unreported so far in the forest of Rambouillet, and is infrequent, more generally speaking .

page updated on 14/01/18