Genera & Species

P. porphyrosporus

Porphyrellus E.-J. Gilbert

The only European member of this genus is instantly and easily recognized due to its specific colours, dark coloured pores and purple-brown spore-print.

Porphyrellus porphyrosporus (Fr. & H?k) E.-J. Gilbert

Description
Cap up to 10 cm, at first hemispherical then expanding to convex, beige, pale brown to dark brown, velvety. Stipe cylindrical or club-shaped, almost concolorous with the cap, often paler in the lower part. Flesh white, flushing vinaceous and bluish green when exposed to air, then darkening. Tubes at first whitish, then darkening. Pores greyish brown to brown. Smell not distinctive or somewhat acidulous. Taste unpleasant. Spores 12–18 ? 5.5–7.5 ?m.

Habitat. Coniferous, mixed and deciduous forests, mycorrhizal with spruce (Picea), pines (Pinus), beech (Fagus), oaks (Quercus) or lime (Tilia).

Distribution. Widespread throughout Europe.

Photographs

Porphyrellus porphyrosporus

Typical fruitbodies of Porphyrellus porphyrosporus. (photo M. Mik??k)

Porphyrellus porphyrosporus

Fruitbodies of Porphyrellus porphyrosporus. (photo I. Assyova)

Porphyrellus porphyrosporus

Fruitbody of Porphyrellus porphyrosporus. Note the dark coloured pores. (photo B. Assyov)

Porphyrellus porphyrosporus

Fruitbody of Porphyrellus porphyrosporus. Faint blueing is seen on the tubes and the cap flesh where injured. (photo I. Assyova)

Porphyrellus porphyrosporus

Fruitbody of Porphyrellus porphyrosporus. (photo M. Mik??k)

Porphyrellus porphyrosporus

Fruitbodies of Porphyrellus porphyrosporus. (photo V. Zanev)

Important literature

Alessio, C.L. 1985. Boletus Dill. ex L. (sensu lato). – In: Fungi Europaei. Vol. 2. Pp. 1–705. Libreria editrice Biella Giovanna, Saronno.

Breitenbach J. & Kr?nzlin F. 1991. Pilze der Schweiz. Bd. 3(1). R?hrlinge und Bl?tterpilze. Verlag Mykologia, Luzern.

Estad?s, A. & Lannoy, G. 2004. Les bolets europ?ens. – Bulletin Mycologique et Botanique Dauphin?-Savoie 44(3): 3–79.

Galli, R. 1998. I Boleti. Atlante pratico-monographico per la determinazione dei boleti. Edinatura, Milano.

Hansen, L. & Knudsen, H. 1992. Nordic Macromycetes. Vol. 2. Polyporales, Boletales, Agaricales, Russulales. Nordsvamp, Copenhagen.

Knudsen, H. & Vesterholt, J. [eds.]. 2008. Funga Nordica. Nordsvamp, Kopenhagen.

Lannoy, G. & Estad?s, A. 2001. Les Bolets. Flore mycologique d’Europe. Documents Mycologiques M?moire Hors s?rie no. 6. Pp. 1–163. Association d’?cologie et de Mycologie, Lille.

Mu?oz, J.A. 2005. Boletus s. l. – In: Fungi Europaei. Vol. 1. Pp. 1–951. Edizioni Candusso, Alassio.

Pil?t, A. & Dermek, A. 1974. Hr?bovit? huby. ?eskoslovensk? hr?bovit? a sliziakovit? huby (Boletaceae – Gomphidiaceae). Veda, Bratislava.

Singer, R. 1967. Die R?hrlinge. II. Die Boletoideae und Strobilomycetaceae. – In: Die Pilze Mitteleuropas. Vol. 6. Pp. 1–151. Julius Klinkhardt Verlag, Bad Heilbrunn.

?utara, J., Mik??k, M. & Janda, V. 2009. H?ibovit? houby. ?eled’ Boletaceae a rody Gyrodon, Gyroporus, Boletinus a Suillus. Academia, Praha.

Watling, R. 1970. Boletaceae, Gomphidiaceae, Paxillaceae. – In: Henderson, D.M., Orton, P.D. & Watling, R. [eds]. British fungus flora. Agarics and Boleti. Vol. 1. Royal Botanic Garden, Edinburgh.

Watling, R. & Hills, A.E. 2005. Boletes and their allies (revised and enlarged edition). – In: Henderson, D.M., Orton, P.D. & Watling, R. [eds]. British Fungus Flora. Agarics and boleti. Vol. 1. Royal Botanic Garden, Edinburgh.