It is made of small black warts
When it is mature its colour is black-purple, it is made of white and slim veins which tend to be reddish when it is exposed to air. Veins disappear when it is cooked
Generally it is roundish
Sizes are variable, it may be like a hazelnut or like an orange. It is rarely bigger.
How To Cook It
Sweet smell. It may be used in meat dishes.
How To Recognize It
For its small warts, its dark purple colour and its sweet smell.