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Psilocybe mexicana

R. Heim 1957

Psilocybe mexicana
FamilyHymenogastraceae
GenusPsilocybe
PotencyMedium
Cultivable✅ Yes — Moderate (sclerotia)
HabitatMeadow saffron — Calcareous soils

Common Names

🇪🇸 SpanishPajaritos
🇬🇧 EnglishMexican Magic Mushroom
🌍 LocalTeonanácatl

Description

Historically famous species used by indigenous Mexican groups. Capable of producing psychoactive sclerotia (truffles).

Ecology

Scattered to gregarious growth in high-altitude meadows.

lens_blur Cap (Pileus)

Size:1-3 cm
Shape:Conical-bell-shaped
Color:Straw-colored
Surface:Smooth
Margin:Striated

view_list Gills (Hymenium)

Attachment:Adnate
Color:Gray to purple
Spacing:Moderate

straighten Stipe (Stem)

Size:4-10 x 0.1-0.2 cm
Color:Slender
Surface:Hollow, sclerotia-forming
Ring/Veil:None

blur_circular Spores (Microscopy)

Shape:Ellipsoids
Dimensions:8-12 x 5-8 µm
Print:Dark purple
Wall:Fine
Germ pore:Present

colorize Flesh

Color:Pale
Bruising:Weak blueness
Odor:farinaceous
Taste:Farinaceous

Alkaloid Profile (% Dry Weight)

Psilocybin
0.25 – 0.25%
Psilocin
0.25 – 0.25%
Baeocystin
0.00 – 0.00%
Total max:0.50% dry weight

Sources

Heim 1957

Habitat and Ecology

🌍TypeMeadow saffron
🌱SubstrateCalcareous soils
⛰️Elevation1000-1800 m
📅SeasonMay to October

Geographic Distribution

MexicoGuatemalaCosta Rica

⚠️ Lookalike Species

Confusion with these species can be dangerous or fatal. Always consult an expert mycologist.

warning
Conocybe apala — Toxic

Slightly toxic, fragile pale cap, does not bruise blue.

📚 Scientific References

  • Heim 1957
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