Boletus aurantiosplendens

Boletus aurantiosplendens
Conservation status
	; Near Threatened (IUCN 3.1)
Scientific classification
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Agaricomycetes
Order:	Boletales
Family:	Boletaceae
Genus:	Boletus
Species:	B. aurantiosplendens
Binomial name
	Boletus aurantiosplendens; Baroni, 1998

Boletus aurantiosplendens is a species of fungus native to eastern North America. Timothy J Baroni described the species in 1998, from material collected near Franklin in Macon County, North Carolina.[1] The species name is from the Latin words aurantium "orange",[2] and splendens "bright".[3]

The cap is 3–11 centimetres (1.2–4.3 in) in diameter, and is convex to flattened in shape. Its colour ranges from mandarin orange to yellowish brown, with young mushroom caps having a more tan centre and orange at the cap margin. The cap surface has a velvety or suede feel. The flesh is bright or light yellow and darkens slightly on bruising. Underneath the cap, the mushroom has bright yellow pores. They are adnexed at the junction of the stalk. The pores themselves are 0.5 to 1 millimetre (0.020 to 0.039 in) in diameter and round or slightly angular. The spore print is olive or dark brown.[1] The stalk is 5–8 centimetres (2.0–3.1 in) high and 1.5–3 centimetres (0.59–1.18 in) wide. [4] Its edibility is unknown.[4]

The mushrooms appear from July to September,[4] in humus in mixed woodlands under North American beech (Fagus grandifolia), oak (Quercus), hickory (Carya), red maple (Acer rubrum), American tulip tree (Liriodendron tulipifera) and shortleaf pine (Pinus echinata).[1] It is only known from seven sites across 600 km, in central and western North Carolina, western South Carolina, northern Georgia and eastern Tennessee.[5]

As it is such a striking mushroom, it is hard to overlook and is hence thought not to have many overlooked colonies. It has therefore been proposed that this species be rated as near threatened on the IUCN Red List.[5]

References

Baroni, T.J. (1998). "Boletus aurantiosplendens sp. nov.from the southern Appalachian Mountains with notes on Pulveroboletus auriflammeus, Pulveroboletus melleouluteus and Boletus auripes". Bulletin of the Buffalo Society of Natural Sciences. 36: 245–55.
Eckel, P. M. "Aurantium, -ii". A Grammatical Dictionary of Botanical Latin. Missouri Botanical Garden.
Simpson, D.P. (1979). Cassell's Latin Dictionary (5th ed.). London: Cassell. p. 567. ISBN 0-304-52257-0.
Bessette, A.R.; Bessette, A.; Roody, W.C. (2000). North American Boletes: A Color Guide to the Fleshy Pored Mushrooms. Syracuse, New York: Syracuse University Press. pp. 92–93. ISBN 978-0-8156-0588-1.
"Boletus aurantiosplendens". Global Fungal Red List Initiative. IUCN. Retrieved 14 January 2018.

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[baroni98-1] Baroni, T.J. (1998). "Boletus aurantiosplendens sp. nov.from the southern Appalachian Mountains with notes on Pulveroboletus auriflammeus, Pulveroboletus melleouluteus and Boletus auripes". Bulletin of the Buffalo Society of Natural Sciences. 36: 245–55.

[2] Eckel, P. M. "Aurantium, -ii". A Grammatical Dictionary of Botanical Latin. Missouri Botanical Garden.

[3] Simpson, D.P. (1979). Cassell's Latin Dictionary (5th ed.). London: Cassell. p. 567. ISBN 0-304-52257-0.

[Bessette_2000-4] Bessette, A.R.; Bessette, A.; Roody, W.C. (2000). North American Boletes: A Color Guide to the Fleshy Pored Mushrooms. Syracuse, New York: Syracuse University Press. pp. 92–93. ISBN 978-0-8156-0588-1.

[IUCNred-5] "Boletus aurantiosplendens". Global Fungal Red List Initiative. IUCN. Retrieved 14 January 2018.