Name: Strobilomyces confusus Singer
Most Confident Observations:
Copyright © 2016 Ryan Patrick (donjonson420)
Copyright © 2012 Steve Roberts (Mushroom World)
Copyright © 2012 Linas Kudzma (baravykas)
Copyright © 2008 Leo Heuser (lheuser)
Version: 2
Previous Version 

First person to use this name on MO: Nathan Wilson

Rank: Species
Status: Accepted
Name: Strobilomyces confusus
Author: Singer
Citation: Farlowia 2: 108 (1945)

Domain: Eukarya
Kingdom: Fungi
Phylum: Basidiomycota
Class: Agaricomycetes
Order: Boletales
Family: Boletaceae
Genus: Strobilomyces

Brief Description:

Cap: 3-10 cm; convex, becoming broadly convex; dry; covered with small, erect, fibrillose, black scales over a whitish to grayish ground color; the scales 1-3 mm wide at the base; the margin hung with remnants of a whitish to grayish partial veil.

Pore Surface: Whitish, becoming gray; bruising reddish gray, then dark brown to black; pores circular to angular, 1-3 per mm; tubes to 2 cm deep.

Stem: 4-8 cm long; 0.5-2 cm thick; more or less equal; whitish to grayish and reticulate near the apex; dark gray to black and shaggy below; at first covered with a sheathing, grayish partial veil, but soon with merely an ephemeral ring or ring zone; solid; base covered with dense, gray mycelium.

Flesh: Whitish throughout, turning reddish when sliced, then slowly red to dark red and eventually nearly black.

Odor and Taste: Not distinctive.

Chemical Reactions: Ammonia negative to slightly bluish on cap; yellowish on flesh. KOH dark red on cap; orangish on flesh. Iron salts negative on cap; dark bluish on flesh.

Spore Print: Black.

Microscopic Features: Spores 9-12 × 8-12 µ (including ornamentation); globose to subglobose; with ornamentation of spines and occasional short ridges; not reticulate; brown in KOH. Pleurocystidia clavate to fusoid-ventricose; to about 60 × 25 µ; with brown contents in KOH. Pileipellis a trichoderm with cylindric to clavate terminal elements.

Descriptions: [Create]


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Created: 2007-06-18 23:51:28 PDT (-0700) by Nathan Wilson (nathan)
Last modified: 2013-12-28 19:35:28 PST (-0800) by Nathan Wilson (nathan)
Viewed: 398 times, last viewed: 2017-10-26 19:31:16 PDT (-0700)
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