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Cortinarius infractus

bitter webcap

Cortinarius infractus — 2024-08-25
Scientific identification
Cortinarius infractus (Pers.) Fr.
Family
Cortinariaceae
Class
Agaricomycetes
Genus
Cortinarius

Names across languages

  • English: bitter webcap
  • German: Bitterer Schleimkopf
  • Finnish: Sappiseitikki
  • Estonian: Mõru vöödik
  • Russian: Паутинник надломленный

The scientific profile

From the latest record: 2024-08-25.

Hymenium

Gills, initially pale gray to olive-brown, becoming dark brown as the spores mature

Cap

Convex to plano-convex, with a slight central depression when mature, surface is dry, matte, and finely fibrillose to somewhat scaly, with a color ranging from dark olive-brown to almost blackish, margin is usually inrolled when young, later becoming wavy or irregular

Hymenium Attachment

Adnate to slightly decurrent

Stipe

5–10 cm long and 1–2.5 cm thick, cylindrical or slightly tapering toward the base, with a dry, fibrillose surface, base of the stipe may be slightly bulbous

Spore print

Spore print brown

Ecology

Mycorrhizal primarily with deciduous trees beech, oak, found in mixed forests on well-drained soils, from late summer to autumn

Edibility

Inedible, has a very bitter taste

Fruit body

Fruit body up to 15 cm tall

Dimensions

Cap 4–10 cm in diameter

Odour

Odour mild to somewhat earthy

Microscopy

Spores ellipsoid, 8–10 x 5–6 µm, finely warted, with a distinct plage, basidia 4-spored

Overview

Medium-sized mushroom characterized by its dark olive-brown cap

1838). Epicr. Syst. Mycol. (Upsaliae): 261 (’1836-1838′).

Field encounters

25/Aug/24, 5:07 PM

Nedrema looduskaitseala, Pärnumaa, Estonia

Wooded meadow, aspen-oak-birch trees, in decaying foliage

58°32'21.0"N 24°04'13.4"E

🔆 Sunny weather, partial overcast, semi-shade

Original Instagram post

Source hashtags

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