Scleroderma citrinum

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Definition

Noun: 1. A species of puffball fungus: Scleroderma citrinum is a type of inedible, poisonous fungus commonly known as the common earthball or pigskin poison puffball. It is characterized by a thick, rough, yellowish-brown outer skin (peridium) and a dark, purplish-black to blackish-brown spore mass (gleba) inside when mature.

Usage Examples
  • Noun:
    • We found several specimens of Scleroderma citrinum growing under the oak trees.
    • The warty surface is a key identifying feature of Scleroderma citrinum.
    • Unlike true puffballs, Scleroderma citrinum has a dark, firm interior when it matures.
Advanced Usage
  • In mycology (the study of fungi): The species name refers to its citrine or yellowish color. It is frequently used in scientific texts and field guides to distinguish it from similar-looking but edible puffballs.
    • The study focused on the spore dispersal mechanisms of Scleroderma citrinum.
Variants and Related Words
  • Common earthball: The most frequent common name for this fungus.
  • Pigskin poison puffball: A descriptive common name referencing its tough, leathery skin and toxic properties.
  • Scleroderma: The genus name, which includes other similar earthball fungi.
  • Scleroderma aurantium: A former synonym sometimes used for this species.
Synonyms
  • Common earthball (common name)
  • Pigskin poison puffball (common name)
Notes on Meaning

This term refers specifically to a single biological species. It does not have idiomatic or phrasal verb uses. Its meaning is fixed within the context of mycology and natural science.

Noun
  1. an earthball fungus that is a dingy brownish yellow and a dark purplish interior; the peridium is covered with a pattern of small warts

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