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Dematiaceous--a mycologic misnomer?

D Pappagianis1, L Ajello

  • 1Department of Medical Microbiology and Immunology, School of Medicine, University of California, Davis 95616.

Journal of Medical and Veterinary Mycology : Bi-Monthly Publication of the International Society for Human and Animal Mycology
|January 1, 1994
PubMed
Summary

The term "dematiaceous" incorrectly implies dark coloration in fungi, stemming from a flawed etymological understanding. This study re-evaluates the term

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Area of Science:

  • Mycology
  • Fungal Taxonomy
  • Etymology

Background:

  • The term 'dematiaceous' is widely used in mycology to describe fungi with dark pigmentation.
  • This classification is often based on visual characteristics rather than precise etymological origins.

Purpose of the Study:

  • To investigate the historical and etymological roots of the term 'dematiaceous'.
  • To determine if the term's current usage aligns with its original meaning and scientific accuracy.

Main Methods:

  • Linguistic analysis of the term 'dematiaceous' and its Greek root 'dēma'.
  • Review of historical mycological literature referencing dematiaceous fungi.

Main Results:

  • The Greek root 'dēma' relates to a 'bundle' or 'heap', not inherently to dark coloration.
  • The association of 'dematiaceous' with dark color appears to be a later, incorrect interpretation.

Conclusions:

  • The established definition of dematiaceous fungi based on dark coloration is epistemologically flawed.
  • Re-evaluation of fungal terminology is necessary to ensure accuracy and correct etymological understanding.

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