Cortinarius

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Definition
  1. Noun:
    • A genus of fungi: "Cortinarius" is the largest genus within the order Agaricales, commonly known as gilled mushrooms or agarics.
    • Distinguishing features: Fungi in this genus are characterized by having rusty brown spores and a cobweb-like partial veil called a cortina when young.
Usage Examples
  • Noun:
    • Cortinarius is a diverse and widespread genus of mushrooms found in forests.
    • Mycologists study the complex taxonomy of Cortinarius due to its many species.
    • The presence of a cortina is a key identifying feature for the genus Cortinarius.
Advanced Usage
  • Scientific classification: The genus name is always italicized in scientific writing.
    • Cortinarius violaceus is a well-known species with a purple cap.
  • Ecological role: Many species form mycorrhizal relationships with trees.
    • The health of the pine forest depends on mycorrhizal fungi like Cortinarius.
Variants and Related Words
  • Cortina (n): The cobweb-like partial veil characteristic of young mushrooms in this genus.
    • The cortina often disappears as the mushroom matures.
  • Cortinariaceae (n): The family to which the genus belongs.
Synonyms
  • Webcap: A common name for mushrooms in the genus , referring to the cobweb-like veil.
  • Agaric: A broader term for gilled mushrooms, which includes the genus .
Important Notes
  • Caution: Many species are poisonous and should not be consumed. Accurate identification by an expert is essential.
    • Some Cortinarius species contain toxins that can cause severe kidney damage.
Noun
  1. the largest genus in the Agaricales; agarics having rusty spores and prominent cortinae (cobwebby partial veils)

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