Ischnoderma resinosum
{{Short description|Species of fungus}}
{{Taxobox
| image = Ischnoderma resinosum (Fr.) Karst.jpg
| image_caption =
| regnum = Fungi
| divisio = Basidiomycota
| classis = Agaricomycetes
| ordo = Polyporales
| familia = Fomitopsidaceae
| genus = Ischnoderma
| species = I. resinosum
| binomial = Ischnoderma resinosum
| binomial_authority = (Schrad.) P.Karst. (1879)
}}
{{Mycomorphbox
| name = {{PAGENAME}}{{italic title}}
| hymeniumType = pores
| capShape = no
| whichGills = no
| stipeCharacter = NA
| sporePrintColor = white
| ecologicalType = saprotrophic
| howEdible = edible
| howEdible2 = too hard to eat
}}
Ischnoderma resinosum is a species of fungus in the family Fomitopsidaceae. It is commonly known as the resinous polypore,{{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/573/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=573 |orig-date=1979}} late fall polypore, or benzoin bracket.
Taxonomy
The species was originally described as Boletus resinosus in 1794 by German botanist Heinrich Schrader. It has acquired an extensive synonymy in its taxonomic history, having been juggled between several genera. Petter Karsten transferred it to Ischnoderma in 1879 to give it the name by which it is currently known.
Description
This shelf mushroom is {{convert|7–30|cm|0|abbr=on}} across, velvety, dark red/brown, darkening and forming zones in age.{{cite book |last1=Trudell |first1=Steve |url=https://books.google.com/books?id=WevHvt6Tr8kC |title=Mushrooms of the Pacific Northwest |last2=Ammirati |first2=Joe |publisher=Timber Press |year=2009 |isbn=978-0-88192-935-5 |series=Timber Press Field Guides |location=Portland, OR |pages=260 |language=en}} The whitish to brownish flesh is watery when young and corky with age. It is sweet smelling.
Ischnoderma benzoinum is similar and has darker flesh.
Habitat and distribution
This fungus fruits on hardwood logs and stumps in autumn.{{Cite book |last=Audubon |title=Mushrooms of North America |publisher=Knopf |year=2023 |isbn=978-0-593-31998-7 |pages=245}} A widely distributed species, it has been recorded from Africa, Asia, Europe, and North America.
Uses
Young, soft specimens may be cooked and eaten, but the species becomes hard and unpalatable in age.{{cite book |last=Meuninck |first=Jim |title=Foraging Mushrooms Oregon: Finding, Identifying, and Preparing Edible Wild Mushrooms |date=2017 |publisher=Falcon Guides |isbn=978-1-4930-2669-2 |pages=53–54}}
References
{{Reflist|refs=
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External links
- {{Commons inline|italic=1}}
{{Taxonbar|from=Q3915786}}
Category:Fungi described in 1794
Category:Fungi of North America
Category:Taxa named by Heinrich Schrader (botanist)
{{Polyporales-stub}}