Polyporus leptocephalus    (Jacq.) Fr. 

common name(s) : Blackfoot Polypore, Variable Polypore 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Incertae sedis/Polyporales/Polyporaceae  
Former classification: Basidiomycota/Homobasidiomycetes/Aphyllophoromycetideae  

synonyms: Polyporus varius 
(unconfirmed synonyms: Cerioporus varius, Polyporus elegans)  

edibility : inedible

photo gallery of  Polyporus leptocephalus
photo gallery of  Polyporus leptocephalus potential confusions with  Polyporus leptocephalus toxicity of Polyporus leptocephalus genus Polyporus  

The cap is ocre-yellow to buff then orange-brown to tobacco-brown, thin, convex then funnel-shaped or irregular. The cap surface is smooth, shiny or matt, sometimes with brown radial streaks. The cap margin is wavy, thin and acute, often lobed, wrinkled.

The stem is central or more often off-centre, smooth and matt, cream to brown, but with a clearly marked, distinctive brownish-black base.

The flesh is white then cream, tough, thin; its taste is mild; the odour is faint, mushroomy;

The tubes are decurrent, short (less than an inch), white at first, then cream.

The pores are white then ochre-brown, very narrow (4 to 7 per mm), round to angular. The spore print is white.

It grows in deciduous woods, on twigs, dead branches, sometimes trunk bases or stumps of beech or alder.

The fruiting period takes place all year long.
Dimensions: width of cap approximately 7 cm (between 1 and 20 cm)
  height of stem approximately 3 cm (between 0.5 and 7 cm)
  thickness of stem (at largest section) approximately 9 mm (between 3 and 15 mm)
  spores : 5-11 x 2-4 microns (wide range from authors), spindle-shaped to cylindrical, smooth, hyalin, non amyloid, with droplets

Distinctive features : ochre cap, smooth and funnel-shaped; creamy-brown stem, but with a differentiated dark brown to black base; white pores, very close; on dead broad-leaved branches

Polyporus leptocephalus is infrequent and scattered in the forest of Rambouillet, and is frequent, more generally speaking .
here should be the distribution map of Polyporus leptocephalus in the forest of Rambouillet
Above : distribution map of Polyporus leptocephalus in the forest of Rambouillet



page updated on 14/01/18