Porphyrellus porphyrosporus

Porphyrellus porphyrosporus
Porphyrellus porphyrosporus
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Boletales
Family: Boletaceae
Genus: Porphyrellus
Species: P. porphyrosporus
Binomial name
Porphyrellus porphyrosporus
(Fr. & Hök) E.-J.Gilbert (1931)
Synonyms[1]

Boletus porphyrosporus Fr. & Hök (1835)
Phaeoporus porphyrosporus (Fr. & Hök) Bataille (1908)
Tylopilus porphyrosporus (Fr. & Hök) A.H.Sm. & Thiers (1971)

Porphyrellus porphyrosporus
View the Mycomorphbox template that generates the following list
Mycological characteristics
pores on hymenium
cap is convex
hymenium is adnate
stipe is bare

spore print is purple

to brown
ecology is mycorrhizal
edibility: inedible

Porphyrellus porphyrosporus, commonly known as the dusky bolete, is a rare fungus belonging to the Boletaceae family. With its purple-brown cap and stem, Porphyrellus porphyrosporus is not easy to spot, despite its large size. This summer and autumn species occurs under pines, but can also be found below deciduous trees. It is a large (both cap diameter and stem length up to 15 cm) brown bolete. Its most distinctive features are the purple-brown spore print and the blue-green colour of the flesh at the top of the stem and above the hymenium. This is a widespread species of Europe, especially in the north, but is nowhere particularly common. The fruit bodies appear from late summer to autumn, often in small groups, associated with broad-leaved trees such as beech and oak.

Contents

Description

This mushroom has a dark brown cap with a noticeably paler margin. Initially convex, caps expand and sometimes become irregularly lobed. It is 6 to 15 cm (2.4 to 5.9 in) in diameter when fully expanded, the caps have soft buff flesh with a vinaceous tinge. When cut or bruised, the tubes turn blue-green. The stem is 1 to 3 cm (0.4 to 1.2 in) in diameter and 5 to 15 cm (2.0 to 5.9 in) tall, the stems of this species are tobacco brown and slightly velvety to the touch when young, becoming smooth as the fruit body matures. The mushroom has an unpleasant sour taste and odour. One source considers it "probably edible".[2]

See also

External links

References

  • Mushrooms and Toadstools of Britain and Europe, Stefan Buczacki (HarperCollins, 1992)

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Look at other dictionaries:

  • Porphyrellus — porphyrosporus Le genre Porphyrellus regroupe des champignons de la famille des boletaceae. Ils ressemblent aux Tylopilus mais ses sporophores sont plus sombres. Ils sont quasi tous redistribués dans différents genres …   Wikipédia en Français

  • Porphyrellus — Taxobox name = Porphyrellus regnum = Fungi divisio = Basidiomycota classis = Agaricomycetes ordo = Boletales familia = Strobilomycetaceae genus = Porphyrellus subdivision ranks = Species subdivision = see text Porphyrellus is a genus of fungi… …   Wikipedia

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  • Boletaceae — Boletaceae …   Wikipédia en Français

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