Name: Psilocybe meridensis Guzmán & S.H. Pollock
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Rank: Species

Status: Accepted

Name: Psilocybe meridensis

ICN Identifier: missing

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Author: Guzmán & S.H. Pollock

Citation: Boln. Soc. mex. Micol. 13: 265 (1979)


Domain: Eukarya

Kingdom: Fungi

Phylum: Basidiomycota

Class: Agaricomycetes

Order: Agaricales

Family: Hymenogastraceae

Genus: Psilocybe

Species: Psilocybe meridensis

Notes on Taxonomy: [Edit]

Host-Substratum/Locality: On soil in subtropical forest: Venezuela

Section: Zapotecorum

Description Page 103 Supplement To The Genus Psilocybe

Brief Description: [See More | Edit]

Pileus (10-)15-30 mm diam, conical to convex or subcampanulate, subpapillate or subumbonate, lubricous, even, slightly striate at the margin,yellowish brown or reddish brown, becoming paler towards the margin,readily turning blue-green to blackish when bruised or old.- Lamellaeadnate or sinuate, yellowish gray to brownish violet or dark brown sepia,edges whitish and subfloccoses; turning blue-green to blackish when bruised. Stipe 40-80 × 3-5 mm, equally cylindrical or slightly thickened at the base,somewhat flexuous, hollow, whitish to irregularly reddish brown or blackish,readily turning blue-green when injured, covered by whitish floccose littlescales, mainly toward the base. Veil well developed, cortinate and white,forming a complex subfibrillose or submembranous annulus, frequentlydouble. Context pallid yellow in the pileus and stipe, whitish toward thepileus surface, readily turning blue-green to blackish when cut. Dried basidiomata are completly blackish to black.- Odor something special butfungus-like, not farinaceous. Taste slightly fungal, subfarinaceous topungent. Spore print violaceous brown.

Spores (5.5-)6-7(-8) x 3-4 x3-3.5(-4) µm, subellipsoid or subovoid both in face and side view, brownish yellow, thin-walled, with a broad germ pore at one end and an acute shortappendage at the other.- Basidia (16-) 17.5-24 x (4-)5-6 µm, 4-spored, clavate ventricose, hyaline.- Pleurocystidia (16-)17.5-27(-28) x (4—)5-8(-9) µm, common, hyaline, subfusoid with acute apex or sublageniform witha short neck.- Cheilocystidia (14.5-)16-28(-31) x (4-)5-6.5 µm, abundant, hyaline, ventricose sublageniform, frequently with a middle middleconstriction with a short or long neck, sometimes bifurcate.-Subhymenium not well differentiated.- Gill tram a regular, formed byhyaline to pale yellow hyphae, thin-walled, 2.5-13 µm wide.- Epicutissubgelatinized, formed by 2.5-4 µm hyaline to pde yellow parallel hyphae.-Hypoder mium with hyaline or pale yellow hyphae or subglobose elements,5-17 µm wide, thin to thick-walled.- Clamp connections present.

Habitat: Gregarious on soil, in a subtropical forest (“bosque ombrofilomontano siempre verde”) with Cyathea and Blechnum, at 2400 m of elevation. Known only from the type locality.

- Supplement To The Genus Psilocybe

Descriptions: [Create]


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