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.
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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 |
Classification
- ↳ Phylum: Basidiomycota
- ↳ Subphylum: Agaricomycotina
- ↳ Class: Agaricomycetes
- ↳ Subclass: Agaricomycetidae
- ↳ Order: Agaricales
- ↳ Family: Amanitaceae
- ↳ Genus: Amanita
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.
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.