Tapinella panuoides

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Tapinella panuoides
Oyster Rollrim imported from iNaturalist photo 34421800 on 25 February 2024.jpg
Tapinella panuoides
Scientific classification
Kingdom:
Division:
Class:
Order:
Family:
Genus:
Species:
T. panuoides
Binomial name
Tapinella panuoides
(Batsch) E.-J.Gilbert 1931
Les Livres du Mycologue Tome I-IV, Tom. III: Les Bolets: 68 (1931)
Subspecies

Tapinella panuoides var. ionipus (Quélet 1888) C.Hahn 1999

Synonyms

Paxillus panuoides

Tapinella panuoides
Information icon.svg
Gills icon.png Gills on hymenium
Transparent spore print icon.svg
Transparent spore print icon.svg
Spore print is yellow to brown
Saprotrophic fungus.svgEcology is saprotrophic
Mycomorphbox Poison.pngEdibility is poisonous

Tapinella panuoides, also known as oyster rollrim, [1] and as fan pax from its former binomial Paxillus panuoides, is a fungus species in the genus Tapinella .

Atromentin is a phenolic compound. The first enzymes in its biosynthesis have been characterised in T. panuoides. [2]

Despite its pleasant taste, the species is poisonous. [3] In North America it can be confused with poisonous western jack o'lanterns, edible chanterelle mushrooms, false chanterelles ( Hygrophoropsis aurantiaca ), Crepidotus , or Phyllotopsis . [4]

Close-up on the "crimped" gills (Alan Rockefeller photo, Oaxaca, Mexico, 2012) Oyster Rollrim imported from iNaturalist photo 5750727 on 25 February 2024.jpg
Close-up on the "crimped" gills (Alan Rockefeller photo, Oaxaca, Mexico, 2012)

It grows on wood or in "lignin-rich humus," has little or no stalk where it emerges from the substrate, and the gills appear to be crimped, forked, or crosshatched close to the base. [4]

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<i>Clavariadelphus truncatus</i> Species of mushroom

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<i>Phyllotopsis nidulans</i> Species of fungus

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<i>Cantharellus cinnabarinus</i> Species of fungus

Cantharellus cinnabarinus, the red chanterelle, is a fungus native to eastern North America. It is a member of the genus Cantharellus along with other chanterelles. Its distinctive red color is imparted by the carotenoid canthaxanthin. It is considered edible and good, fruiting in association with hardwood trees in the summer and fall.

<i>Omphalotus olivascens</i> Species of fungus

Omphalotus olivascens, commonly known as the western jack-o'-lantern mushroom, is an orange to brown-colored gilled poisonous mushroom endemic to the California_Floristic_Province. It is sometimes mistaken for chanterelles.

References

  1. "Oyster Rollrim (Tapinella panuoides)". iNaturalist. Retrieved 2024-02-25.
  2. Characterization of the atromentin biosynthesis genes and enzymes in the homobasidiomycete Tapinella panuoides. Patrick Schneider, Sarah Bouhired and Dirk Hoffmeister, Fungal Genetics and Biology, Volume 45, Issue 11, November 2008, pages 1487-1496, doi : 10.1016/j.fgb.2008.08.009
  3. Miller Jr., Orson K.; Miller, Hope H. (2006). North American Mushrooms: A Field Guide to Edible and Inedible Fungi. Guilford, CN: FalconGuide. p. 288. ISBN   978-0-7627-3109-1.
  4. 1 2 Arora, David (1986). Mushrooms demystified: a comprehensive guide to the fleshy fungi (Second ed.). Berkeley: Ten Speed Press. pp. 476–477. ISBN   978-0-89815-169-5.