Favolus

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Genus of fungi

title: "Favolus" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["polyporaceae", "polyporales-genera", "fungi-described-in-1805", "fungus-species", "taxa-named-by-elias-magnus-fries"] description: "Genus of fungi" topic_path: "general/polyporaceae" source: "https://en.wikipedia.org/wiki/Favolus" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Genus of fungi ::

| image = Favolus tenuiculus - Flickr - Dick Culbert.jpg | image_caption = Favolus tenuiculus | taxon = Favolus | authority = Fr. (1828) | type_species = Favolus brasiliensis | type_species_authority = (Fr.) Fr. (1830) | subdivision_ranks = Species | subdivision =

Favolus, or honeycomb fungus, is a genus of fungi in the family Polyporaceae. The fruit bodies of Favolus species are fleshy with radially arranged pores on the underside of the cap that are angular and deeply pitted, somewhat resembling a honeycomb.

Taxonomy

The naturalist Palisot de Beauvois was the first to use the name Favolus in his 1805 work Flore d'Oware et de Benin, en Afrique. His type species was Favolus hirtus, a fungus first collected in Africa. Elias Fries used the name as a subgenus of Polyporus in 1821. Seven years later, Fries used the name Favolus for a different genus, with the tropical species F. brasiliensis as the type. Fries's concept of the genus was later accepted as it was published in one of the sanctioning works of mycology. Favolus hirtus is now called Trametes hirta, and Beauvois' concept of Favolus is placed in synonymy with Trametes. The generic name Favolus is derived from the Latin favus meaning honeycomb.

Until relatively recently, many works have considered Favolus to be synonymous with Polyporus. Based on molecular phylogenetic analysis, Favolus species were shown to form two genera, and several species were transferred to Neofavolus in 2013. This reorganization was accepted and verified in later studies.

Description

The fruit bodies of Favolus fungi are annual, and have a stipe that is situated laterally to substipitate or almost sessile. The shape of the cap is spatulate (with a broad, rounded end), reniform (kidney shaped) to dimidiate (divided into two equal parts). The texture of the cap surface can be smooth, or may have minute hairs, sometimes with stiff tufts or spiny scales toward the base. Often featuring radial grooves, the cap surface is variable in colour. The stipe is cylindrical to flattened or reduced. The internal tissue of the fruit body (context) has a tough and fleshy to leathery texture when fresh, becoming leathery to corky or brittle when dried. Pores on the underside of the cap are large to small, and either regular or radially elongated.

Favolus has a dimitic hyphal system, containing both generative and skeletal-binding hyphae. The generative hyphae are either with or without clamp connections. Skeletal-binding hyphae are usually dominating, arboriform (tree-like), and hyaline. The cap cuticle is not differentiated into distinct layers; if present it comprises non-agglutinated parallel hyphae that are up to 50 μm thick. Basidia are club-shaped, four-sterigmate. Spores are cylindrical to navicular (boat-shaped), thin-walled, smooth, and hyaline.

Favolus differs from Neofavolus in the features of the cap surface. In Neofavolus, it is smooth to scaly, with a cutis made of hyaline to brown, parallel and agglutinated, generative hyphae that are distinct from contextual hyphae, which mainly comprise non-agglutinated skeletal-binding hyphae.

Species

, Index Fungorum accepts 25 species of Favolus.

References

References

  1. de Beauvois, Palisot. (1805). "Flore d'Oware et de Benin, en Afrique".
  2. Berkeley, M.J.. (1851). "Decades of fungi. Decades XXXIV. Sikkim Himalaya fungi, collected by Dr. J.D. Hooker". Hooker's Journal of Botany and Kew Garden Miscellany.
  3. Kirk, P.M.. "Species Fungorum (version 30th June 2018). In: Species 2000 & ITIS Catalogue of Life".
  4. (2014). "Phylogeny and global diversity of Polyporus group ''Melanopus'' (Polyporales, Basidiomycota)". Fungal Diversity.
  5. Donk, M.A.. (1960). "The generic names proposed for Polyporaceae". Persoonia.
  6. Fries, E.M.. (1828). "Elenchus Fungorum".
  7. "Record Details: ''Favolus'' P. Beauv.". [[Index Fungorum]]. CAB International.
  8. "Record details: ''Favolus hirtus'' P. Beauv.". [[Index Fungorum]]. CAB International.
  9. Hendrickx, F.L.. (1948). "Sylloge Fungorum Congensium". Publications de l'Institut Agronomique du Congo Belge.
  10. Lloyd, C.G.. (1922). "Mycological Notes 67". Mycological Writings.
  11. Lloyd, C.G.. (1923). "Mycological Notes 69". Mycological Writings.
  12. Lloyd, C.G.. (1924). "Mycological Notes 73". Mycological Writings.
  13. (1912). "Supplementum Universale, Pars VIII".
  14. (2015). "Phylogenetic relationships and morphological evolution in ''Lentinus'', ''Polyporellus'' and ''Neofavolus'', emphasizing southeastern Asian taxa". Mycologia.
  15. (2013). "Taxonomic study of ''Favolus'' and ''Neofavolus'' gen. nov. segregated from ''Polyporus'' (Basidiomycota, Polyporales)". Fungal Diversity.
  16. Spegazzini, C.. (1909). "Mycetes Argentinenses. Series IV". Anales del Museo Nacional de Historia Natural Buenos Aires.
  17. (1936). "The new fungus names proposed by C.G. Lloyd". Bulletin of the Lloyd Library.
  18. (2017). "Phylogeny and taxonomy of ''Favolus'' (Basidiomycota)". Mycologia.
  19. (2016). "Lentinoid and polyporoid fungi, two generic conglomerates containing important medicinal mushrooms in molecular perspective". International Journal of Medicinal Mushrooms.

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