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Silky rosegill or Volvariella hypopithys

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

The short answer

Silky rosegill and Volvariella hypopithys are similar species: Silky rosegill is edible, while Volvariella hypopithys is unknown. The main visible difference: use: Silky rosegill — cook fresh, Volvariella hypopithys — not eaten. The mushrooms also differ in the following features: size, cap color, cap surface.

📊 Comparing characteristics

Comparison of characteristics: Volvariella hypopithys and Silky rosegill
Edibility class

Volvariella hypopithys

Unknown

Silky rosegill

Edible
Season

Volvariella hypopithys

SummerAutumn

Silky rosegill

SummerAutumn
Use

Volvariella hypopithys

Not eaten

Silky rosegill

Cook fresh
Size

Volvariella hypopithys

Small (up to 5 cm)

Silky rosegill

Large (over 15 cm)
Cap color

Volvariella hypopithys

White

Silky rosegill

WhiteCreamBrown
Cap shape

Volvariella hypopithys

Convex

Silky rosegill

Convex
Cap surface

Volvariella hypopithys

Smooth

Silky rosegill

Fibrous
Taste

Volvariella hypopithys

Unknown

Silky rosegill

Mild
Smell

Volvariella hypopithys

Odorless

Silky rosegill

Odorless
Flesh color change

Volvariella hypopithys

No change

Silky rosegill

Yellowing
Hymenophore

Volvariella hypopithys

Gilled

Silky rosegill

Gilled
Stem

Volvariella hypopithys

Central

Silky rosegill

Central
Ring (veil)

Volvariella hypopithys

No ring

Silky rosegill

No ring
Volva

Volvariella hypopithys

Volva present

Silky rosegill

Volva present
Substrate

Volvariella hypopithys

Forest litterSoil

Silky rosegill

On woodDead woodLiving tree
Nutrition type

Volvariella hypopithys

Saprotroph

Silky rosegill

Saprotroph
Partner trees

Volvariella hypopithys

PineSpruce

Silky rosegill

AspenLindenBirch

📅 Seasonality

Volvariella hypopithys

Fruiting season

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

June – September

Silky rosegill

Fruiting season

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

June – October

🔬 Morphology

Cap

Volvariella hypopithys

Cap 2-3.5 cm, bell-shaped at first, then flattened with a small umbo in the center. White, with a matte, silky surface. Sometimes with fine radial fibers. The margin is thin and slightly torn in mature mushrooms.

Silky rosegill

Cap 7-18 cm, egg-shaped or bell-shaped at first, then expanding to conical with an umbo. White or cream, ochre-brown in the center, with silky, fibrous scales in a radial pattern. Silky to the touch, with a matte sheen. The margin is often fringed with remnants of the veil.

Hymenophore

Volvariella hypopithys

Gilled hymenophore. Gills free (not attached to the stem), moderately spaced. White at first, turning brownish-pink with age from the color of the spores. Spore print pink or pinkish-brown — typical of the genus.

Silky rosegill

Gilled hymenophore. Gills 6-12 mm wide, free (not attached to the stem), crowded. White at first, turning pink with age, then pinkish-brown. Spore print pink — a key feature.

Stem

Volvariella hypopithys

Stem 3-5 cm tall, 2-4 mm thick, slender, cylindrical, white, smooth. No ring. At the base there's a dense white volva hugging the stem tightly, like a little sac.

Silky rosegill

Stem 7-19 cm tall, 1-2.5 cm thick, central, cylindrical, slightly thickened toward the base. White, smooth. No ring. At the base there's a large, sac-like white or grayish volva that hugs the stem tightly, with a wide upper rim.

Flesh

Volvariella hypopithys

The flesh is thin, white and delicate. It doesn't change color when cut. The texture is very fragile — the mushroom breaks at the slightest touch.

Silky rosegill

The flesh is white, firm in young mushrooms, quickly yellowing and turning watery with age. It may turn slightly yellow when cut. It doesn't keep — use it on the day you pick it.

Smell

Volvariella hypopithys

No distinct smell, faintly mushroomy. Indistinct taste. Don't taste it — its edibility is unknown.

Silky rosegill

Faint mushroomy smell. Mild, delicate taste with no pronounced notes. Some sources describe a barely noticeable radish-like hint in young specimens.

📍 Habitats

Volvariella hypopithys

Conifer forestMixed forest

Silky rosegill

Deciduous forestMixed forest

👀 Similar mushrooms — don't mix them up!

❓ Frequently asked questions

Can Silky rosegill and Volvariella hypopithys 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 Silky rosegill from Volvariella hypopithys?
The main differences: use: Silky rosegill — cook fresh, Volvariella hypopithys — not eaten; size: Silky rosegill — large (over 15 cm), Volvariella hypopithys — small (up to 5 cm); cap color: Silky rosegill — white, cream, brown, Volvariella hypopithys — white. As for edibility: Silky rosegill is edible, Volvariella hypopithys is unknown. The full table of characteristics is higher up on this page.
Is Volvariella hypopithys edible?
Volvariella hypopithys — unknown.
When do Silky rosegill and Volvariella hypopithys grow?
Silky rosegill — June–October; Volvariella hypopithys — June–September.

Sources

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