Russula cyanoxantha fo. peltereaui    Singer 

common name(s) : Peltereau's Russula 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Incertae sedis/Russulales/Russulaceae  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Russulales/Russulaceae  

edibility : edible

photo gallery of  Russula cyanoxantha fo. peltereaui
photo gallery of  Russula cyanoxantha fo. peltereaui potential confusions with  Russula cyanoxantha fo. peltereaui toxicity of Russula cyanoxantha fo. peltereaui genus Russula  

The cap is greenish; its margin is striate when mature. The cap surface is smooth, slightly viscid in wet weather.

The stem is white, sometimes washed with lilac, without ring.

The flesh is white, unchanging; its taste is mild; its texture is grainy (breaking like a chalk stick).

The gills are white to cream, free to adnate, crowded . The spore print is whitish. This species is mycorrhizal. It grows on the ground, in broad-leaved and coniferous woods, on a rather acid or slightly calcareous soil, with birch, oak, beech, spruce, pine, hornbeam, chestnut.

The fruiting period takes place from April to December.
Dimensions: width of cap approximately 10 cm (between 2.5 and 18 cm)
  height of stem approximately 8 cm (between 3 and 11 cm)
  thickness of stem (at largest section) approximately 20 mm (between 10 and 50 mm)

Chemical tests : flesh becoming very slowly greenish (or no reaction) when in contact with iron sulphate; reaction of cap cystidia very faint or negative to sulpho-vanillin; Gaïac moderate..

Distinctive features : white to cream gills, flexible and non brittle, greasy to the touch; green cap; white flesh; green or no reaction to iron sulphate

Russula cyanoxantha fo. peltereaui is infrequent and scattered in the forest of Rambouillet, and is occasional, more generally speaking .
here should be the distribution map of Russula cyanoxantha fo. peltereaui in the forest of Rambouillet
Above : distribution map of Russula cyanoxantha fo. peltereaui in the forest of Rambouillet



page updated on 14/01/18