Russula atropurpurea    (Krombh.) Britzelm. 

common name(s) : Purple Brittlegill, Black And Purple Russula, Blackish-purple Russula 

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

synonyms: Russula krombholzii, Russula undulata, Russula bresadolae 

edibility : edible if well cooked

photo gallery of  Russula atropurpurea
photo gallery of  Russula atropurpurea potential confusions with  Russula atropurpurea toxicity of Russula atropurpurea genus Russula  

The cap is purple-red to black, convex then flattened and slightly depressed; its margin is smooth. The cap surface is smooth, a bit viscid in wet weather.

The stem is white becoming grey, soggy when getting old, stained with rust at the base, without ring.

The flesh is unchanging; its taste is mild to spicy; the odour is fruity, of apples; its texture is grainy (breaking like a chalk stick).

The gills are cream to yellowish, free to adnate . The spore print is white. This species is mycorrhizal. It grows on the ground, in broad-leaved and coniferous woods, with oak, beech, chestnut, pine, spruce.

The fruiting period takes place from June to December.
Dimensions: width of cap approximately 8 cm (between 3 and 15 cm)
  height of stem approximately 5 cm (between 3 and 8.5 cm)
  thickness of stem (at largest section) approximately 15 mm (between 10 and 28 mm)

Chemical tests : flesh becoming salmon pink when in contact with iron sulphate ; cap cystidia reacting purple to sulpho-vanillin; variable reaction to Gaïac but in general positive.

Distinctive features : slightly spicy taste; stem spotted with red; white gills turning creamy-yellow with age (even though spore print white); darker cap centre surface; cap depressed with age

Russula atropurpurea is frequent and widely present in the forest of Rambouillet, and is frequent, more generally speaking .
here should be the distribution map of Russula atropurpurea in the forest of Rambouillet
Above : distribution map of Russula atropurpurea in the forest of Rambouillet



page updated on 14/01/18