Wednesday, 15 February 2012

Velvet Rollrim

Facts
Common Name: 
Velvet Rollrim
Scientific Name: 
Paxillus atrotomentosus
Also Known As: 
Tapinella atrotomentosa
Cap Diameter (mm): 
80-200mm
Stem Height (mm): 
40-90mm
Stem Diameter (mm): 
25-40mm
Information
Description: 

An easy fungus to identify with its stout off-centre brown stem that is covered in blackish velvet, This fungus causes a brown rot on conifer

Distribution: 

Common and widespread from late Summer till early Winter.

Habitat: 

Singly or in numbers in coniferous woodland at ground level or on rotting stumps and roots.

Cap: 

Convex when ir first emerges, but becomes excentric, or even lateral with age, and even in mature specimens, the margin remains inrolled. The uniformly cinnamon-brown surface is dry and downy.

Flesh: 

The flesh is pale-yellow, thick and soft, often watery and slightly brownish near the base. There is a bitter taste and pleasant smell.

Gills: 

The gills are crowded, soft and decurrent, often forked and interconnected with colours ranging frompale-yellow to pale ochre and are easily seperated from the flesh.

Spores: 

Rusty-brown

Stem: 

The thick stem is very seldom central, cigar-brown covered in blackish velvet.

Additional Notes: 

Paxillus atromentosus is a synonym for the species curently named Tapinella atromentosa for which a full entry also exists within the A to Z

Atrotomentosus means "black-felted"