Definition

Noun: * A species of mushroom (fungus) characterized by a reddish-purple cap with a smooth, slimy texture, violet-colored gills that are closely spaced, and the distinctive trait that all parts of the mushroom turn a dark purple color when bruised, cut, or handled.

Usage Notes

• This is a specific, scientific name for a type of mushroom belonging to the genus .
• It is primarily used in the fields of mycology (the study of fungi), foraging, and nature identification.
• The name is descriptive, with "purple-staining" directly referring to its key identifying feature.

Examples

• The forader carefully noted the purple-staining cortinarius in his field guide, paying close attention to the slimy cap.
• A key identifier for the purple-staining cortinarius is that its stem will bruise dark purple.
• While hiking, we found what we believed to be a purple-staining cortinarius under a conifer tree.

Advanced Usage

• The term is often used in dichotomous keys for mushroom identification, where the staining reaction is a critical distinguishing feature.
• It may be abbreviated in scientific contexts as part of a full binomial name (e.g., sp., with purple-staining properties).

Variants and Related Words

• Cortinarius (n): The large genus to which this mushroom belongs, often called "webcaps" due to a cobweb-like veil (cortina) present on young specimens.
• Webcap (n): A common name for mushrooms in the genus.
• Staining mushroom (n): A general term for any mushroom that changes color when its flesh is damaged.

Synonyms

• There is no common English synonym for this specific scientific name. In general contexts, it could be described as a "purple-staining webcap" or a "purple-bruising ."

Related Phrases

• Stains purple upon bruising: The defining action described by the name.
• Slimy violet cap: A descriptive phrase highlighting other key features.

Important Note

This mushroom, like many Cortinarius species, is likely poisonous and should not be consumed. This definition is for identification and educational purposes only.

Noun

1. a fungus with a reddish purple cap having a smooth slimy surface; close violet gills; all parts stain dark purple when bruised