Panellus stipticus    (Bull.:Fr.) P. Karst. 

common name(s) : Bitter Oysterling, Styptic Mushroom 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Agaricomycetidae/Agaricales/Mycenaceae  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Tricholomatales/Pleurotaceae  

synonyms: Panus stipticus, Panellus stypticus, Pleurotus stipticus, Crepidotus stypticus 
(unconfirmed synonyms: Panus schultzii, Panus semipetiolatus, Lentinus stipticus, Pleurotus stypticus, Panus stypticus)  

edibility : inedible

photo gallery of Panellus stipticus
photo gallery of Panellus stipticus potential confusions with Panellus stipticus toxicity of Panellus stipticus genus Panellus  

The cap is beige-brown, clay-brown to cinnamon, kidney-shaped or shell-shaped slightly convex but depressed at the attachment point; its margin is inrolled at first, then wavy, slightly furrowed. The cap surface is matt, felty-scurfy, sometimes banded, without any gelatinous film, a bit sticky.

The stem is concolorous with cap or paler, lateral, short and sometimes even rudimentary, smooth, broadening at the top to form a kind of fan, without ring.

The flesh is white to pale ochraceous, unchanging; its taste is bitter, astringent then acrid after a while; the odour is faint or fruity; its texture is fibrous, sticky, elastic.

The gills are light brown to cinnamon, concolorous with cap, adnate-decurrent, interveined, partially forked, crowded but thick . The spore print is white. This species is saprophytic. It grows on dead wood, in dense clusters, on stumps or dead deciduous wood, preferably on oak.

The fruiting period takes place from January to March.
Dimensions: width of cap approximately 2.5 cm (between 0.2 and 5 cm)
  height of stem approximately 1 cm (between 0.2 and 2 cm)
  thickness of stem (at largest section) approximately 5 mm (between 2 and 10 mm)

Chemical tests : none.

Distinctive features : cinnamon-brown cap, kidney-shaped or shell-shaped; lateral stem, short or rudimentary, broadening towards the top to form a kind of fan; crowded gills; pungent to bitter flesh, then acrid; in dense groups on oak stumps

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



page updated on 14/01/18