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Amanita excelsa

european false blusher

Amanita excelsa — 2024-09-18
Scientific identification
Amanita excelsa (Fr.) Bertill.
Family
Amanitaceae
Class
Agaricomycetes
Genus
Amanita

Names across languages

  • English: european false blusher
  • German: Grauer Wulstling
  • Finnish: Savukärpässieni
  • Estonian: Hall kärbseseen
  • Russian: Мухомор высокий

The scientific profile

From the latest record: 2024-09-18.

Hymenium

Gills white to creamy-white, crowded, broad, with shorter lamellulae

Cap

Hemispherical to convex when young, later broadly convex to almost flat; grey-brown, olive-brown to dark brown; usually covered with irregular whitish-grey to grey universal-veil patches or warts; margin generally non-striate

Hymenium Attachment

Adnexed to nearly free

Stipe

White to greyish, robust, cylindrical and tapering upward from a swollen base; smooth or striate above the ring and finely scaly below; ring broad, membranous, persistent and distinctly striate above; volva fragmented and inconspicuous, without a distinct gutter-like rim

Spore print

Spore print white

Ecology

Mycorrhizal with hardwoods and conifers; alone, scattered or gregariously; in deciduous, coniferous and mixed forests and woodland edges; summer to autumn

Edibility

Edible after thorough cooking but not recommended; toxic raw and easily confused

Uses & compounds

Thermolabile hemolysins present in raw fruit bodies

Fruit body

Fruit body medium to large; stipe ~8–15 cm long and ~1.5–3 cm thick

Dimensions

Cap ∅ ~6–15 cm

Flesh

White, firm, usually unchanging when cut; occasionally faintly pinkish or reddish toward the stipe base

Chemical reactions

Negative

Odour

Faint radish-like to slightly unpleasant, sometimes indistinct

Taste

Mild to slightly sweetish

Microscopy

Spores broadly ellipsoid to ellipsoid, smooth, hyaline, amyloid, ~8–11 × 6–8.5 µm; basidia predominantly 4-spored; clamp connections absent at basidia

Overview

Grey-brown woodland Amanita with grey veil patches and a distinctly striate ring

1866). In Dechambre, Dict. Encyclop. Sci. Médic. (Paris) 1(3): 499.

Field encounters

18/Sep/24, 3:19 PM

Raudoja, Harjumaa, Estonia

Coniferous (spruce-pine) forest, on mossy forest floor

59°22'44.2"N 25°29'09.9"E

🔆 Occasional sun with mild overcast, semi-shade spot

Original Instagram post

Source hashtags

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