Definition

Noun: A type of mushroom characterized by its distinctive cap, which undergoes autodigestion (deliquesces) into a black, inky fluid after its spores have matured and been released. This process is a key feature of the genus Coprinus and related fungi.

Usage

The term "inky-cap mushroom" is used to specifically identify fungi that exhibit this unique liquefying characteristic. It is a common name, not a formal taxonomic classification.

Examples

• Noun:
  • We found several inky-cap mushrooms growing on the old tree stump.
  • The inky-cap mushroom is fascinating to observe as its cap dissolves into a dark liquid.
  • Be careful when identifying; some inky-cap mushrooms are edible only if no alcohol is consumed.

Advanced Usage

• "Inky cap" (alternative spelling): The term is often written as two words, "inky cap," without the hyphen.
  • The guidebook listed it under "inky cap."

Variants and Related Words

• Coprinoid mushroom: A more scientific term for mushrooms sharing this inky, deliquescent characteristic, often from the genera , , or .
• Shaggy mane (): A specific, well-known, and often edible type of inky-cap mushroom with a shaggy, cylindrical cap.
• Tippler's bane (): A common inky-cap mushroom that can cause an unpleasant reaction if consumed with alcohol.

Synonyms

• Deliquescent mushroom: A descriptive synonym emphasizing the melting process.
• Ink cap: A common variant of the name.

Notes on Meaning

The defining meaning is biological and morphological, focusing on the autodigestion of the cap. The term does not describe taste, size, or other common mushroom attributes unless specified by a related compound term (e.g., "edible inky-cap").

Noun

1. having a cap that melts into an inky fluid after spores have matured