Name: Strobilomyces strobilaceus (Scop.) Berk.
Most Confident Observations:
Copyright © 2014 amadej trnkoczy (amadej)
Copyright © 2009 BubikolRamios
Copyright © 2009 Gerhard Koller (Gerhard)
Copyright © 2016 Nicolle Omiotek (Lilmyco)
Version: 4
Previous Version 


First person to use this name on MO: Nathan Wilson
Editors: Michael Wood, zaca

Nomenclature:

Rank: Species

Status: Accepted

Name: Strobilomyces strobilaceus

ICN Identifier: missing

Index Fungorum search

MycoBank search

Author: (Scop.) Berk.

Citation: Hooker’s J. Bot. Kew Gard. Misc. 3: 78. 1851.

Deprecated Synonyms: Strobilomyces floccopus (Vahl) P. Karst.

Misspellings: Srobilomyces floccopus

Notes on Taxonomy: [Edit]

Considered to be an older synonym of Strobilomyces floccopus by both Index Fungorum and MycoBank. However MycoBank does mention:

“no basionym mentioned, but no alternative.”

The obvious basionym being Boletus strobilaceus Scop., Annus Historico-Naturalis, 4: 148, t. 1:5, 1770 [MB#152292].

Brief Description: [See More | Edit]

Macroscopic features: Pileus 6-9 cm across, hemisphaerical when young, then expanding to convex, dark grey with some whitish areas (Figure 1a), mouse gray brown to black covered with large and thick, brownish to black, pyramidal and erected scales some of which overhanging to margin (Figure 1b). Margin irregularly fimbriate to floccose, with grayish partial veil, quickly disrupting and leaving remnants on margin and upper portion of the stipe. Flesh thick and firm, whitish, pink when cut, then turning blackish-brown. Odor and taste not distinctive, Pores angular (Figure 1d), whitish at first, then gray brownish, reddish when bruised. Tubes up to 15 mm long, greyish white, reacting similarly with pores when bruised. Stipe 8-11 × 1-2 cm, cylindrical, somewhat thickened at apex, fibrillose or floccose, almost concolorous with the pileus, covered with wooly scales. Annular zone pale grayish at apex (Figure 1c).

Microscopic features: Basidiospores 10-12 × 9-11 µm, brown, subglobose with reticulate ornamentation (Figure 1e). Basidia 50-60 × 15-18 µm, clavate, 2 or 4 spored, without basal clamp. Cystidia 70-80 × 25-30 µm, fusiform to ventricose with brown pigments. Pileipellis consisting of parallel, short-celled hyphae 8-11 µm across, with brownish pigments, septa without clamps.

Ecology: Summer to fall, solitary to gregarious, in hardwood and coniferous forests, on soil, colline to mountain, more rarely subalpine elevation, rare (Arora, 1986; Breitenbach and Kranzlin, 1991; Hansen and Knudsen, 1992, Jordan, 2004).

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