Name: Boletus edulis Bull.
Most Confident Observations:
Copyright © 2011 Dave W (Dave W)
Copyright © 2009 Andreas Gminder (mollisia)
Copyright © 2001 Michael Wood (mykoweb)
Copyright © 2014 Irina (IrinaFil)
Version: 5
Previous Version 

First person to use this name on MO: Nathan Wilson
Editors: walt sturgeon, Johannes Harnisch


Rank: Species

Status: Accepted

Name: Boletus edulis

ICN Identifier: missing

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Author: Bull.

Citation: Herb. Fr. 2: tab. 60 (1782) [1781-82]

Deprecated Synonyms: Leccinum edule (Bull.) Gray, Leccinum elephantinum (With.) Gray

Misspellings: Boletus eduils


Domain: Eukarya

Kingdom: Fungi

Phylum: Basidiomycota

Class: Agaricomycetes

Order: Boletales

Family: Boletaceae

Genus: Boletus

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Brief Description: [See More | Edit]

Boletus edulis (28)
Macroscopic characteristics Pileus can be nearly any shade of brown, starts convex and becomes nearly flat with maturity, and has a tackiness when it becomes wet. The cap can be between 8-30 cm. The pore surface is white when young and becomes olive-yellow with age. It does not bruise except in maturity when it may bruise olive. The pores are small and circular (2-3 per mm.) The stem is thick, usually club-shaped and can be bulbous but rarely equal. It can be 5-26 cm long, 2-8 cm thick with fine reticulations on the upper portion. The reticulations are white with pale brown. Annulus and partial veil are not present. The flesh is white and does not blue when bruised unlike some other boletes. KOH produces an orange or red reaction on the cap but has no reaction on the flesh. The spore print is olive brown.

Microscopic characteristics The spores are 13-19 × 4-7 µm, smooth elleptic and a pale yellow brown color.

The fruiting bodies can be solitary, scattered or in groups on the ground around conifers. They are found between June and October.Some common names are porcini, cep, and King Bolete.

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