Hortiboletus coccyginus

Hortiboletus coccyginus
Conservation status
Least Concern  (IUCN 3.1) [1]
Scientific classification
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Agaricomycetes
Order:	Boletales
Family:	Boletaceae
Genus:	Hortiboletus
Species:	H. coccyginus
Binomial name
Hortiboletus coccyginus (Theirs) C.F. Schwarz, N. Siegel & J.L. Frank
Synonyms [2]
Boletus coccyginus Thiers

Hortiboletus coccyginus
Mycological characteristics
	Pores on hymenium
	Cap is convex
	Hymenium is adnexed
	Stipe is bare
	Spore print is olive-brown
	Ecology is mycorrhizal
	Edibility is unknown

Hortiboletus coccyginus, commonly known as the sumac-colored bolete, ^[3] is a species of mushroom in the genus Hortiboletus . It is rare. ^{[3] [1] [4]}

Taxonomy

Hortiboletus coccyginus was first described in California in 1975. Back then, it was known as Boletus coccyginus. In 2020, JL Frank transferred it to the genus Hortiboletus. ^[1]

Description

Hortiboletus coccyginus has a rosy-colored cap ^[1] that is about 2–6 cm (0.79–2.36 in) wide. Sometimes, the it cracks in older specimens. The stipe is about 1.5–7 cm (0.59–2.76 in) tall and about 0.5–2 cm (0.20–0.79 in) wide. The pores are yellow. While on younger mushrooms they do not bruise blue, older specimens occasionally stain bluish green. ^[4]

Habitat and ecology

Hortiboletus coccyginus grows under several different types of trees, including coast live oak, tanoak, and douglas-fir. It is known to grow in mixed forests, and it is known from California and Oregon. ^[3] Despite being rare, it is listed by the IUCN Red List as Least Concern. ^[1]

See also

• List of North American boletes

References

1. Siegel, N. (2022). "Hortiboletus coccyginus". IUCN Red List of Threatened Species . 2022 e.T198480500A198489903. doi: 10.2305/IUCN.UK.2022-1.RLTS.T198480500A198489903.en . Retrieved 28 October 2024.
2. Hortiboletus coccyginus in MycoBank.
3. "Home – Boletus coccyginus 2016PMI039 v1.0". mycocosm.jgi.doe.gov. Retrieved 2024-10-28.
4. Schwarz, Christian; Siegel, Noah (2016). Mushrooms of the redwood coast: a comprehensive guide to the fungi of coastal northern California. Berkeley: Ten Speed Press. p. 430. ISBN   978-1-60774-817-5.