Trichaptum biforme

*Trichaptum biforme*
Trichaptum biforme
Mycological characteristics
	Teeth on hymenium
	Cap is flat
	Hymenium attachment is not applicable
	Lacks a stipe
	Spore print is white
	Ecology is saprotrophic
	Edibility is inedible

*Trichaptum biforme*
Trichaptum biforme
Mycological characteristics
	Teeth on hymenium
	Cap is offset or indistinct
	Hymenium is decurrent
	Lacks a stipe or is bare
	Spore print is white to purple
	Ecology is saprotrophic or parasitic
	Edibility is inedible

Trichaptum biforme
Scientific classification
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Agaricomycetes
Order:	Hymenochaetales
Family:	Hymenochaetaceae
Genus:	Trichaptum
Species:	T. biforme
Binomial name
	Trichaptum biforme; (Fr.) Ryvarden (1972)
Synonyms
	Polyporus biformis Fr. (1833); Polyporus pargamenus Fr. (1833); Hirschioporus pargamenus (Fr.) Bondartsev & Singer (1941);

Trichaptum biforme, commonly known as the violet-pored bracket fungus,² purple tooth, or violet-toothed polypore, is a species of poroid fungus in the order Hymenochaetales.

Description

Growing to 1–7.5 centimetres (1⁄2–3 in) in width, it is initially violet before fading into zones of white to brown, retaining violet at the margin for a time.³⁴⁵

Similar species

It is sometimes confused with Trichaptum abietinum, which grows almost exclusively on conifers,⁵ as do T. byssogenum and T. fuscoviolaceum.³ Skeletocutis lilacina is also similar.³

Distribution and habitat

It is widely distributed and occurs on at least 65 tree hosts, but rarely on conifers.⁵

It is a saprobe that decomposes hardwood stumps and logs.⁴⁵

Toxicity

It is inedible.⁴⁵

References

Ryvarden, L. (1972). "A critical checklist of the Polyporaceae in tropical East Africa". Norwegian Journal of Botany. 19: 229–238.
Arora, David (1986). Mushrooms demystified: a comprehensive guide to the fleshy fungi (Second ed.). Berkeley: Ten Speed Press. ISBN 978-0-89815-169-5.
Audubon (2023). Mushrooms of North America. Knopf. p. 148. ISBN 978-0-593-31998-7.
Phillips, Roger (2010). Mushrooms and Other Fungi of North America. Buffalo, NY: Firefly Books. p. 315. ISBN 978-1-55407-651-2.
Lincoff, Gary (1981). National Audubon Society Field Guide to North American Mushrooms. Alfred A. Knopf. p. 490. ISBN 978-0-394-51992-0.

[Ryvarden_1972-1] Ryvarden, L. (1972). "A critical checklist of the Polyporaceae in tropical East Africa". Norwegian Journal of Botany. 19: 229–238.

[2] Arora, David (1986). Mushrooms demystified: a comprehensive guide to the fleshy fungi (Second ed.). Berkeley: Ten Speed Press. ISBN 978-0-89815-169-5.

[aud-3] Audubon (2023). Mushrooms of North America. Knopf. p. 148. ISBN 978-0-593-31998-7.

[:1-4] Phillips, Roger (2010). Mushrooms and Other Fungi of North America. Buffalo, NY: Firefly Books. p. 315. ISBN 978-1-55407-651-2.

[:0-5] Lincoff, Gary (1981). National Audubon Society Field Guide to North American Mushrooms. Alfred A. Knopf. p. 490. ISBN 978-0-394-51992-0.

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Trichaptum biforme
Mycological characteristics
	Teeth on hymenium
	Cap is offset or indistinct
	Hymenium is decurrent
	Lacks a stipe or is bare
	Spore print is white to purple
	Ecology is saprotrophic or parasitic
	Edibility is inedible