Cortinarius ponderosus

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Cortinarius ponderosus

Conservation status
Secure
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Basidiomycetes
Subclass: Agaricomycetidae
Order: Agaricales
Family: Cortinariaceae
Genus: Cortinarius
Species: C. ponderosus
Binomial name
Cortinarius ponderosus
Alexander H. Smith, (1939)
Cortinarius ponderosus
mycological characteristics:
 
gills on hymenium
 

cap is convex

 

hymenium is adnate

 

stipe is bare

 

spore print is yellow

 

ecology is mycorrhizal

 

edibility: unknown


Cortinarius ponderosus, also known as the Ponderous Cortinarius, is a basidiomycete mushroom of the genus Cortinarius. It is very large and due to its thick stem it can be mistaken for Boletus edulis.

[edit] Description

This mushroom is one of the largest mushrooms in the genus Cortinarius, with a convex cap that ranges from 8 to 38 cm across and becomes plane in age. It often has an olive metalic tinge, and the surface is viscid, often with small rusty brown scales. The margin is ochre and remains inrolled until the mushroom is fully mature. The flesh of the mushroom is white, thick and firm. The gills are rusty brown, adnate and slightly decurrent. The stalk is thick and bulbous at the base. It has a slimy yellow universal veil, and the cortina leaves a rusty brown hairy area on the upper stalk.

[edit] References