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Gymnopilus luteofolius

(Peck) Singer

Gymnopilus luteofolius
FamilyHymenogastraceae
GenusGymnopilus
PotencyLow
Cultivable✅ Yes — Easy to moderate (sawdust)
HabitatLignicolous — Stumps, conifers, broadleaf trees

Common Names

🇬🇧 EnglishYellow-gilled Gymnopilus

Description

Known for its vibrant purplish to rusty coloration and extremely bitter taste.

Ecology

Primary decomposer of dead wood, forming dense clusters.

lens_blur Cap (Pileus)

Size:2-8 cm
Shape:Convex
Color:Red-purple to rust
Surface:Scaly
Margin:Incurved

view_list Gills (Hymenium)

Attachment:Adnate
Color:Yellow to rust
Spacing:Tight

straighten Stipe (Stem)

Size:3-9 x 0.5-1 cm
Color:Reddish
Surface:Solid
Ring/Veil:Fleeting curtain

blur_circular Spores (Microscopy)

Shape:Ellipsoids
Dimensions:6-8.5 x 4-5 µm
Print:Orange rust
Wall:Warty
Germ pore:Absent

colorize Flesh

Color:Yellow
Bruising:Faint blue-green stain
Odor:Wood
Taste:Very bitter

Alkaloid Profile (% Dry Weight)

Psilocybin
0.05 – 0.10%
Psilocin
0.05 – 0.10%
Baeocystin
0.00 – 0.00%
Total max:0.20% dry weight

Sources

Stamets 1996

Habitat and Ecology

🌍TypeLignicolous
🌱SubstrateStumps, conifers, broadleaf trees
⛰️ElevationVaried
📅SeasonAutumn

Geographic Distribution

North America

⚠️ Lookalike Species

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

warning
Galerina marginata — Mortal

Without violet tones, smooth, persistent ring, does not bruise blue.

📚 Scientific References

  • Singer
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