Fauna
Fungus

Amanita gemmata

Amanita gemmata

Also known as Jonquil Amanita

Gemmed amanitas form vital mycorrhizal partnerships with conifer and broadleaf roots, exchanging sequestered soil minerals for host sugars. Fruit bodies emerge in spring through autumn, pushing through forest duff with pale yellow caps studded with flaking remnants of the universal veil. The fragile white skirt around the upper stem frequently collapses or tears away with age, leaving a naked stalk anchored in a distinctive bulbous basal cup.

MycorrhizalForestToxic
Amanita gemmata reference
Hans-Martin Scheibner / CC BY 3.0 · cc-by
—observations
—countries
—peak records
Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Key facts
Diet & preyMycorrhizal nutrient exchange
Predators
  • Fungus gnat larvae
  • Slugs
  • Woodland rodents
ThreatsHabitat fragmentation, clear-cutting, and soil compaction
HabitatsConiferous and mixed temperate woodlands
Life spanPerennial underground mycelium; fruiting caps last 5–12 days
Classification
  1. OrderAgaricales
  2. FamilyAmanitaceae
  3. GenusAmanita
  4. SpeciesAmanita gemmata
Range & activity
Range data is not available yet.
Safe observation
Interaction riskHigh
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is high
Contains neurotoxins that cause severe poisoning; many mushrooms have toxic look-alikes, so never ingest wild fungi.
Why it is dangerous
Contains ibotenic acid and muscimol, which induce delirium, muscular twitches, dizziness, vomiting, and severe central nervous system depression.
How to recognize a risky encounter
Look for a pale ochre or jonquil-yellow cap covered in loose white patches, free white gills, and a bulbous base.
What to do
Never pick for the kitchen; simply observe from above and thoroughly wash hands if the mushroom is handled during field identification.
Responsible observation
  • Identification: Examine the stem base for a cup-like volva and inspect the cap margin for delicate striations.
  • Spore Prints: Cut the mature cap and place gills-down on dark paper under a bowl to reveal white spores.
  • Foraging Safety: Leave the fungus undisturbed in the leaf litter, as touching is safe but ingestion is dangerous.
Related species
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