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Translator’s Note

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Name: Psilocybe quebecensis Ola’h & R. Heim

Most Confident Observations

406433
Copyright © 1980 A. Cortés-Pérez (Alonso)

405049

382488
Copyright © 2013 Caleb Brown (Caleb Brown)

272332
Copyright © 2012 Wolfedawwg


More Observations
More Observations (all synonyms)
Nomenclature:
Rank: Species
Status: Accepted
Name: Psilocybe quebecensis
Author: Ola’h & R. Heim
Citation: C. r. hebd. Séanc. Acad. Sci., Paris, Sér. D 264: 1601 (1967)

Classification: Edit

Kingdom: Fungi
Phylum: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Hymenogastraceae


Brief Description: See More | Edit

Cap: 1 — 3(3.5) cm in diameter. Nearly hemispheric to convex at first, becoming subcampanulate to more or less plane when mature, viscid and even to translucent-striate when moist, hygrophanous, brownish to straw colored, yellowish to milk white when dry. Surface smooth, may become finely wrinkled with age, flesh whitish. Readily stains blue-green where injured.

Gills: Adnate, thin, moderately broad to swollen in the middle. Grayish yellow with green tones becoming dark brown at maturity, with the edges remaining whitish.

Spore Print: Dark purplish brown.

Stipe: 2 — 3.5(4.5) cm long by 1 — 2(2.5) mm thick. Equal, slightly subbulbous, smooth to striate, brittle, tough, and fibrous, base is furnished with long conspicuous rhizomorphs. Yellowish or brownish towards the base, whitish when dry, partial veil cortinate, and soon disappearing, no annulus present, readily bruises blue.

Taste: Somewhat farinaceous
Odor: Farinaceous

Microscopic features: Spores ellipsoid to subovoid in side and face view some spores mango shaped, 8.8 — 11(16) x 6.6 — 7.7(8.8) µm . Basidia 15 — 20(28) µm 4-spored. Pleurocystidia present, 12 — 25(35) x (3)5 — 10(15) µm , very distinctive by their swollen apices, as in Psilocybe cubensis and Psilocybe cyanescens. Cheilocystidia (18)22 — 36 × 5.5— 8.8(10) µm , fusoid-ampullaceous with an extended neck, 2 — 3.3 µm thick, abundant, forming a sterile band, sometimes with a hyaline viscous drop at the apex.


Descriptions: Create

Version: 2
Previous Version: 1

First person to use this name on MO: Workman
Editors: Erlon

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Created: 2009-11-11 17:53:39 PST (-0800) by Workman
Last modified: 2012-02-15 06:18:54 PST (-0800) by Erlon (Herbert Baker)
Viewed: 1267 times, last viewed: 2014-12-21 23:00:30 PST (-0800)
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