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Amethyst deceiver or Sordid blewit

How they differ, how to recognize them and which is more dangerous — a mushroom comparison

The short answer

Amethyst deceiver and Sordid blewit are similar species that can be mixed up while foraging. The main visible difference: use: Amethyst deceiver — cook fresh, Sordid blewit — cook fresh, pickling, salting. The mushrooms also differ in the following features: size, cap color, substrate.

Sordid blewit (Lepista sordida)

Sordid blewit

Lepista sordida

EdibleExpert-verified

📊 Comparing characteristics

Comparison of characteristics: Amethyst deceiver and Sordid blewit
Edibility class

Amethyst deceiver

Edible

Sordid blewit

Edible
Season

Amethyst deceiver

SummerAutumn

Sordid blewit

SummerAutumn
Use

Amethyst deceiver

Cook fresh

Sordid blewit

Cook freshPicklingSalting
Size

Amethyst deceiver

Very small (<3 cm)

Sordid blewit

Medium (5–15 cm)
Cap color

Amethyst deceiver

VioletPink

Sordid blewit

VioletGreyPink
Cap shape

Amethyst deceiver

Convex

Sordid blewit

Convex
Cap surface

Amethyst deceiver

Smooth

Sordid blewit

Smooth
Taste

Amethyst deceiver

Mild

Sordid blewit

Mild
Smell

Amethyst deceiver

Pleasant

Sordid blewit

Pleasant
Flesh color change

Amethyst deceiver

No change

Sordid blewit

No change
Hymenophore

Amethyst deceiver

Gilled

Sordid blewit

Gilled
Stem

Amethyst deceiver

Central

Sordid blewit

Central
Ring (veil)

Amethyst deceiver

No ring

Sordid blewit

No ring
Volva

Amethyst deceiver

No volva

Sordid blewit

No volva
Substrate

Amethyst deceiver

SoilMossForest litter

Sordid blewit

SoilDung
Nutrition type

Amethyst deceiver

Mycorrhizal

Sordid blewit

Saprotroph
Partner trees

Amethyst deceiver

OakBeechSpruceBirch

Sordid blewit

—

📅 Seasonality

Amethyst deceiver

Fruiting season

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

August – November

Sordid blewit

Fruiting season

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

August – November

🔬 Morphology

Cap

Amethyst deceiver

The cap is small to medium: 2-7 cm across, hemispherical to convex with an inrolled edge in young mushrooms, later convex-flattened with a small bump in the center, or depressed. The color is deep amethyst purple, lilac-purple in fresh, moist mushrooms. As it dries and ages it fades to grayish-lilac, then to pale cream with a purple tinge. The surface is silky-matte, slightly damp in wet weather.

Sordid blewit

Cap 4-8 cm across; convex with an inrolled margin when young, later flattening out with a thin, wavy margin. Color lilac-grayish, violet-gray, with a distinct violet tint when young, fading with age to a dingy grayish lilac or cream with a trace of violet. The surface is silky-matte and smooth, slightly sticky in wet weather.

Hymenophore

Amethyst deceiver

Gilled hymenophore. The gills are widely spaced, thick, attached or slightly decurrent. Their color echoes the cap — deep amethyst purple, with a whitish, floury bloom (spores). The spore print is white.

Sordid blewit

Gills. The gills are crowded, thin, notched where they meet the stem, and break off easily. Color lilac-violet in young mushrooms, lilac-cream with age. The spore print is pale pinkish-cream (typical of the genus Lepista).

Stem

Amethyst deceiver

Stem 5-10 cm tall, 0.5-1 cm thick, slender, cylindrical, often curved. The color is purple, matching the cap, lengthwise fibrous. At the base — white mycelial fuzz. No ring. The stem becomes hollow in old mushrooms.

Sordid blewit

Stem 3-6 cm tall, 0.5-1.2 cm thick, cylindrical, slightly thickened toward the base. Color violet-lilac, matching the cap, lengthwise fibrous, with whitish mycelial fuzz near the base. No ring. The stem flesh is firm.

Flesh

Amethyst deceiver

Flesh thin, lilac-purple, soft. Doesn't change color when cut. No pronounced taste, faint aroma.

Sordid blewit

Flesh of medium thickness, lilac-white, soft, firm in young mushrooms. It doesn't change color when cut. It has a pleasant fruity, perfumed aroma.

Smell

Amethyst deceiver

Faint, pleasant mushroomy, neutral. Taste mild, with no particular notes. Not for bold-flavored dishes — nobody picks it for its aroma.

Sordid blewit

Pleasantly fruity and perfumed, with a note of ripe fruit — typical of the genus Lepista. One of the most distinctive aromas among the lilac-violet mushrooms. The taste is mild; after boiling, pleasantly mushroomy.

📍 Habitats

Amethyst deceiver

Deciduous forestMixed forestConifer forest

Sordid blewit

Deciduous forestMixed forest

👀 Similar mushrooms — don't mix them up!

❓ Frequently asked questions

Can Amethyst deceiver and Sordid blewit be mixed up?
Yes, they look so similar that people often mix them up. The use, size, cap color help tell them apart.
How to tell Amethyst deceiver from Sordid blewit?
The main differences: use: Amethyst deceiver — cook fresh, Sordid blewit — cook fresh, pickling, salting; size: Amethyst deceiver — very small (<3 cm), Sordid blewit — medium (5–15 cm); cap color: Amethyst deceiver — violet, pink, Sordid blewit — violet, grey, pink. The full table of characteristics is higher up on this page.
Is Sordid blewit edible?
Sordid blewit — edible.
When do Amethyst deceiver and Sordid blewit grow?
Amethyst deceiver — August–November; Sordid blewit — August–November. Their seasons overlap, so be especially careful.

Sources

  • [1]Вікіпедія (українська)
  • [2]Атлас грибів України, Зеров Д.К. (1979)
  • [3]MycoBank Database
  • [4]Index Fungorum
  • [5]GBIF
  • [6]iNaturalist Ukraine