Definition

1. Noun:
   • An edible fungus with distinctive color changes: A species of mushroom characterized by a slimy, viscid cap that undergoes a specific color transformation from yellow to olive to tawny. Its flesh is noted for being lavender in color.

Usage Examples

• Noun:
  • Foragers were excited to find Cortinarius atkinsonianus in the damp forest.
  • The key identifying feature of Cortinarius atkinsonianus is its color-changing cap.

Advanced Usage

• In mycology: The name is used in scientific classification and field guides to precisely identify this specific fungus species within the large genus.
  • The specimen was confirmed to be Cortinarius atkinsonianus after spore analysis.

Variants and Related Words

• Cortinarius (n): The genus to which this mushroom belongs, often called "webcaps" due to a cobweb-like partial veil (cortina) present on young specimens.
• Agaric (n): A broad term for a fungus with a cap and gills, which includes .

Synonyms

• Edible webcap: A descriptive common name referencing its genus and edibility.
• Atkinson's Cortinarius: A less formal variant of the scientific name.

Notes

• This is a scientific binomial name (genus + species). In formal writing, it is typically italicized: . The genus name is often abbreviated after first use (e.g., ).
• While described as edible, proper identification by an expert is crucially important before consuming any wild mushroom, as many species are poisonous.

Noun

1. an edible fungus with a slimy viscid cap that is initially yellow but turns olive and then tawny; flesh is lavender