Tawny Grisette

Amanita fulva Fr.

1 Observations
1 year ago Last Observed

The Tawny Grisette (Amanita fulva) is a tall, slender Amanita with an orange-brown cap, often darker at the central bump and finely grooved around the edge. The free gills are cream and crowded. Like all grisettes it has no ring, and its long white to pale yellow stem rises from a large, fragile white volva, often stained rusty, that is easily left behind in the ground.

It grows in mixed woodland with both broadleaf trees and conifers, often beside paths, from July into October, and is widespread and common.

The Orange Grisette (Amanita crocea) is brighter orange with zig-zag bands on the stem, and the Grisette (Amanita vaginata) is grey. Pale forms have been confused with the deadly Deathcap (Amanita phalloides), which has a ring. The Tawny Grisette is poisonous raw and, like every Amanita, should never be collected to eat.

Spore Print
Season
J F M A M J J A S O N D
Native toxic

Distribution

Widespread and common

Habitat

In mixed woodlands, both broadleaf and coniferous

Etymology

Amanita is thought to come from Mount Amanus in southern Turkey, though its origin is uncertain. fulva is Latin for 'tawny' or 'reddish-yellow', after the cap.

Cap

Orange-brown, darker at the central bump, smooth, with a finely grooved edge; usually without veil patches.

Colour
Shape Umbonate, Flattened
Surface Smooth
Width 4 - 10 cm
Margin Striate

Gills

Free, crowded and cream.

Colour
Attachment Free
Spacing crowded

Flesh

Thin, cream and fragile.

Colour
Taste Mild

Stem

The stem is white to pale yellow, smooth, tapering upwards, 15-18 cm long and 8-15 mm wide, and has no ring. It rises from a large sack-like volva, which is fragile, with rust-brown stains or warty external fragments.

Colour
Height 15 - 18 cm
Width 8 - 15 mm
Texture Smooth
Shape Volvate

Spores

Colour
Shape Subglobose
Ornamentation Smooth
Size 10-12.5 x 9.3-12 μm
Confirmed
Unconfirmed

Classification

  • ↳ Phylum: Basidiomycota
  • ↳ Subphylum: Agaricomycotina
  • ↳ Class: Agaricomycetes
  • ↳ Subclass: Agaricomycetidae
  • ↳ Order: Agaricales
  • ↳ Family: Amanitaceae
  • ↳ Genus: Amanita

Source: UKSI via NBN Atlas

Synonyms

  • Agaricus fulvus Schaeff.
  • Amanita fulva Schaeff. Secr.
  • Amanitopsis fulva (Fr.) W.G. Sm.
  • Amanitopsis fulva (Schaeff. Secr.) W.G. Smith
  • Amanitopsis vaginata var. fulva (Fr.) Sacc.

Source: UKSI via NBN Atlas

Reference Sources

T. Læssøe, J. H. Peterson (2019) Fungi of Temperate Europe Vol. 1. Princeton University Press.

G. Kibby (2020) Mushrooms and Toadstools of Britain & Europe Vol. 2. Geoffrey Kibby.

G. Kibby (2016) The Genus Amanita in Britain. Geoffrey Kibby.

BMS English Names for Fungi