Psilocybe villarrealiae

Psilocybe villarrealiae is a psilocybin mushroom which has psilocybin and psilocin as main active compounds.

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Description

• Cap: 2-12 cm diameter, at first subconical to campanulate, expanding to convex, or plane in age, often with wavy margin. The cap color starts out tan to walnut brown and fades to yellow-brown as they age, finally turning black. Cap surface hygrophanous, fading to tan as it dries. The cap is sometimes translucent-striate near the margin, often with an umbo. Usually staining blue or black in age.
• Gills: Cream color when young, violet brown in age, with subsinuate or adnate attachment.
• Spores: Dark violet brown, oblong to ellipsoid or subrhomboid, thin walled, 7 x 4 um.
• Stipe: Central, equal, flexuous, and cylindric, 3 to 12 cm long, 3 to 7 mm thick. Reddish brown fading to grey-yellow and finally dark, ornamented with floccose mycelium especially the bottom half, bruising blue-green in the upper part of the stem. Partial veil is white and arachnoid, disappearing in age.
• Taste: Farinaceous.
• Odor: Farinaceous.
• Microscopic features:

Distribution and habitat

Grows solitary or gregariously in groups, often forming cespitose clusters. Found growing directly from the ground in muddy soil in pine and oak woods and subtropical forests, usually near small creeks and ravines. Known only from Jalisco, Mexico.