{{Short description|Species of fungus}} {{Speciesbox | image = Oyster Rollrim imported from iNaturalist photo 34421800 on 25 February 2024.jpg | image_caption = ''Tapinella panuoides'' | genus = Tapinella (fungus) | species = panuoides | authority = (Batsch) E.-J.Gilbert 1931 <br />Les Livres du Mycologue Tome I-IV, Tom. III: Les Bolets: 68 (1931) | subdivision_ranks = Subspecies | subdivision = ''Tapinella panuoides var. ionipus'' (Quélet 1888) C.Hahn 1999 | synonyms = ''Paxillus panuoides'' }} {{Mycomorphbox | name = ''Tapinella panuoides'' | hymeniumType = gills | sporePrintColor = yellow | sporePrintColor2 = brown | ecologicalType = saprotrophic | howEdible = poisonous }}

'''''Tapinella panuoides''''', also known as '''oyster rollrim'''<ref>{{Cite web |title=Oyster Rollrim (Tapinella panuoides) |url=https://www.inaturalist.org/taxa/118202-Tapinella-panuoides |access-date=2024-02-25 |website=iNaturalist |language=en}}</ref> and as '''fan pax<ref name="Arora1986">{{Cite book |last=Arora |first=David |author-link=David Arora |url=https://archive.org/details/arora-david-mushrooms-demystified-a-comprehensive-guide-to-the-fleshy-fungi-ten-speed-press-1986/page/476/mode/2up |title=Mushrooms Demystified: A Comprehensive Guide to the Fleshy Fungi |publisher=Ten Speed Press |year=1986 |isbn=978-0-89815-170-1 |edition=2nd |location=Berkeley, CA |pages=476–77 |orig-date=1979}}</ref>''' from its former binomial '''''Paxillus panuoides''''', is a species of fungus in the genus ''Tapinella''.

==Description==

The mushroom has little or no stalk where it emerges from the substrate, with caps up to {{Convert|10|cm|frac=4}} across.<ref name="Arora1986" /> The gills appear to be crimped, forked, or crosshatched close to the base.<ref name="Arora1986" /> The spore print is ochre.<ref name="Arora1986" />

{{gallery|mode=packed |Oyster Rollrim imported from iNaturalist photo 5750727 on 25 February 2024.jpg|Close-up of the "crimped" gills }}

===Similar species=== In North America it can be confused with poisonous western jack o'lanterns, edible chanterelle mushrooms, false chanterelles (''Hygrophoropsis aurantiaca''), ''Crepidotus'', or ''Phyllotopsis''.<ref name="Arora1986" />

==Habitat== It grows on conifer wood and in lignin-rich humus.<ref name="Arora1986" />

==Toxicity== Despite its pleasant taste, the species is poisonous.<ref name="Miller 20062">{{cite book|last=Miller Jr.|first=Orson K.|title=North American Mushrooms: A Field Guide to Edible and Inedible Fungi|last2=Miller|first2=Hope H.|publisher=FalconGuide|year=2006|isbn=978-0-7627-3109-1|location=Guilford, CN|page=288|author-link=Orson K. Miller Jr.}}</ref>

==Potential uses== Atromentin is a phenolic compound. The first enzymes in its biosynthesis have been characterised in ''T.&nbsp;panuoides''.<ref>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}}</ref>

== References == {{Reflist}}

== External links == * {{Commons inline|Tapinella panuoides|''Tapinella panuoides''}}

{{Taxonbar|from=Q2714637}}

Category:Boletales Category:Fungi described in 1931 Category:Fungus species Category:Poisonous fungi

{{Boletales-stub}}