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Amethyst Deceiver

Amethyst Deceiver

Laccaria amethystina

Photo: Wolfgang Wollschweber

Habitat

Woodland

This common species occurs on soil and within wet, mossy areas or dried-up low pools. It is typically found in both deciduous and coniferous woodlands, showing a strong preference for growing near Beech trees. It thrives in nutrient-rich locations and may appear singly, in groups, or in tufted clusters.

Photos

Appearance

Cap
1–6 cm broad; shapes range from convex or slightly umbonate to flattened or centrally depressed; deep purplish-lilac when moist, fading to pale lilac-buff or whitish when dry; surface may be slightly scurfy at the center or lined toward the edge.
Stem
3–10 cm long, 5–10 mm thick; same color as the cap; often irregularly flattened, twisted, or wavy; hollow with age, featuring mealy texture at the apex and whitish fibers or lilac downy mycelium at the base.
Gills
Deep lilac but may become powdered white with spores; thick, broad, and widely spaced; attachment is adnate to slightly decurrent.
Flesh
Thin; whitish to pale lilac or the same color as the cap.
Spore print
White to pale blue.
Smell
Faint, sweet, or mildly mushroomy.
Taste
Mild or pleasant.

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Edibility

Edible with cautionTaste: Good ★★★☆☆

While edible and noted for its mild, sweet flavor, this species can accumulate arsenic from pesticides or wood preservatives and contains traces of hydrogen cyanide. Some regions have recommended against its sale as food due to these chemical risks. It may be confused with the poisonous Rosy Bonnet, which is pinker and less fibrous, or the poisonous Lilac Fibrecap, which features crowded rather than distant gills. Edible Violet Webcaps and purple Cortinarius species are also similar, though the latter have rusty-brown gills and spore prints rather than the white spore print of this mushroom.

Misidentification can be fatal. Never eat a mushroom unless you're 100% sure. This information may be inaccurate. Always consult multiple sources.

Nutrient Source

Ectomycorrhizal

It forms a symbiotic relationship with trees, exchanging nutrients obtained from the soil for sugars produced by the tree through photosynthesis.

Common Names

Danish
Violet ametysthat
Dutch
Amethistzwam
English
Amethyst Deceiver
Finnish
lehtolohisieni
French
Laque améthyste
Norwegian Bokmål
ametystsopp
Norwegian Nynorsk
ametystsopp
Swedish
ametistskivling
Welsh
Twyllwr Piws

Synonyms

  • Agaricus amethystinus
  • Agaricus lividopurpureus
  • Clitocybe amethystina
  • Collybia amethystina
  • Laccaria hudsonii