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How to tell Velvet shank from Sulphur tuft

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

Warning: Sulphur tuft(Hypholoma fasciculare)

The short answer

Velvet shank and Sulphur tuft look alike, so they're easy to mix up — but Velvet shank is edible, while Sulphur tuft is poisonous. The main visible difference: season: Velvet shank — autumn, winter, spring, Sulphur tuft — spring, summer, autumn. The mushrooms also differ in the following features: use, cap color, cap shape. If you have even the slightest doubt, leave the mushroom be.

Velvet shank (Flammulina velutipes)

Velvet shank

Flammulina velutipes

EdibleExpert-verified
Sulphur tuft (Hypholoma fasciculare)

Sulphur tuft

Hypholoma fasciculare

PoisonousExpert-verified

📊 Comparing characteristics

⚠ Highlighted rows are the key differences between the edible and the dangerous mushroom

Comparison of characteristics: Velvet shank and Sulphur tuft
⚠ Edibility class

Velvet shank

Edible

Sulphur tuft

Poisonous
⚠ Season

Velvet shank

AutumnWinterSpring

Sulphur tuft

SpringSummerAutumn
⚠ Use

Velvet shank

Cook freshPickling

Sulphur tuft

Not eaten
Size

Velvet shank

Small (up to 5 cm)

Sulphur tuft

Small (up to 5 cm)
⚠ Cap color

Velvet shank

YellowOrangeBrown

Sulphur tuft

YellowOlive
⚠ Cap shape

Velvet shank

Convex

Sulphur tuft

ConvexFlat
⚠ Cap surface

Velvet shank

Slimy

Sulphur tuft

Smooth
⚠ Taste

Velvet shank

Mild

Sulphur tuft

Bitter
⚠ Smell

Velvet shank

Pleasant

Sulphur tuft

Unpleasant
Flesh color change

Velvet shank

No change

Sulphur tuft

No change
Hymenophore

Velvet shank

Gilled

Sulphur tuft

Gilled
⚠ Stem

Velvet shank

Central

Sulphur tuft

CentralHollow
Ring (veil)

Velvet shank

No ring

Sulphur tuft

No ring
Volva

Velvet shank

No volva

Sulphur tuft

No volva
⚠ Substrate

Velvet shank

Dead woodLiving tree

Sulphur tuft

Dead wood
Nutrition type

Velvet shank

Saprotroph

Sulphur tuft

Saprotroph
⚠ Partner trees

Velvet shank

AspenBeech

Sulphur tuft

OakBirchPineSpruce

📅 Seasonality

Velvet shank

Fruiting season

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

January, February, March, October, November, December

Sulphur tuft

Fruiting season

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

May – November

🔬 Morphology

Cap

Velvet shank

Cap 2-8 cm, hemispherical at first, then convex-expanded to flat. Color yellow-orange, honey-yellow, darker in the center and paler toward the edge. In wet weather it is slimy and shiny; in dry weather, somewhat matte. The cap skin peels off easily.

Sulphur tuft

Cap 2–7 cm across, conical or bell-shaped in young mushrooms, then flattened. Sulphur yellow or egg-yolk yellow, often orange-brown in the center. Surface smooth, moist, without scales. Margin uneven, in young mushrooms joined to the stem by a cobwebby veil.

Hymenophore

Velvet shank

Gilled hymenophore. Gills crowded, thin, adnate or slightly decurrent. Whitish to cream, turning yellowish with age. Spore print white — an important diagnostic feature for telling it apart from the poisonous funeral bell (whose spore print is rusty brown).

Sulphur tuft

Gills crowded, yellow or yellow-green at first, then darkening to gray-green or brownish olive — this is the key feature that distinguishes it from the edible honey fungus (whose gills are whitish or cream). Spore print purplish brown.

Stem

Velvet shank

Stem 3-7 cm tall, 0.3-0.8 cm thick, slender, cylindrical, often curved, hollow inside. A telltale feature — a velvety dark brown surface, especially lower down (the upper part is paler, yellowish). There is no ring — this is the crucial difference from the funeral bell.

Sulphur tuft

Stem thin, 4–10 cm tall, 0.4–0.8 cm thick, yellowish in the upper part, brownish or rusty below, fibrous. No ring, or a faint fibrous ring that soon disappears — the lack of a distinct ring sets it apart from honey fungus.

Flesh

Velvet shank

The flesh is thin and yellowish in the cap, fibrous and springy in the stem. It doesn't change color when cut. It has a pleasant mild flavor.

Sulphur tuft

Flesh yellowish, thin, bitter-tasting — very bitter when raw. But cooking removes the bitterness while the toxins remain, so in a finished dish the mushroom won't give itself away.

Smell

Velvet shank

Faint, pleasant mushroomy smell. Taste mild and delicate.

Sulphur tuft

Smell mushroomy but indistinct, so it is of little help in identification.

📍 Habitats

Velvet shank

Deciduous forestMixed forest

Sulphur tuft

Deciduous forestMixed forestConifer forest

👀 Similar mushrooms — don't mix them up!

❓ Frequently asked questions

Can Velvet shank and Sulphur tuft be mixed up?
Yes. These species look alike, and Sulphur tuft is poisonous, so a mistake is dangerous. Pay attention to the season, use, cap color.
How to tell Velvet shank from Sulphur tuft?
The main differences: season: Velvet shank — autumn, winter, spring, Sulphur tuft — spring, summer, autumn; use: Velvet shank — cook fresh, pickling, Sulphur tuft — not eaten; cap color: Velvet shank — yellow, orange, brown, Sulphur tuft — yellow, olive. As for edibility: Velvet shank is edible, Sulphur tuft is poisonous. The full table of characteristics is higher up on this page.
Which is more dangerous — Velvet shank or Sulphur tuft?
More dangerous: Sulphur tuft, which is poisonous. Velvet shank is edible. If you have even the slightest doubt, don't pick the mushroom.
Is Sulphur tuft edible?
Sulphur tuft — poisonous. It must not be picked or eaten.
When do Velvet shank and Sulphur tuft grow?
Velvet shank — January–December; Sulphur tuft — May–November.

Sources

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