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Xerocomellus chrysenteron

red cracking bolete

Xerocomellus chrysenteron — 2024-08-24
Scientific identification
Xerocomellus chrysenteron (Bull.) Šutara
Family
Boletaceae
Class
Agaricomycetes
Genus
Xerocomellus

Names across languages

  • English: red cracking bolete
  • German: Gemeiner Rotfußröhrling
  • Finnish: Rusoruututatti
  • Estonian: Punajalg-sametpuravik
  • Russian: Моховик трещиноватый

The scientific profile

From the latest record: 2024-08-24.

Hymenium

Pores, small and angular, yellow to olive-yellow when young, becoming olive-brown with age

Cap

Convex, becoming flat with age, dry and velvety, cracked with a reddish flesh, color reddish-brown

Hymenium Attachment

Adnate to slightly depressed around the stipe

Stipe

Slender, cylindrical, often tapering at the base, yellowish with reddish streaks, surface smooth or slightly reticulate near the top, no ring or veil

Spore print

Spore print olive-brown

Ecology

Mycorrhizal with oaks, beeches, and pines, found on acidic soils, late summer to autumn

Edibility

Edible but of mediocre quality, has slimy texture

Fruit body

Medium, cap 3–8 cm in diameter, stipe 4–10 cm long, 0.5–2 cm thick

Chemical reactions

Ammonia negative to brownish on cap, negative on flesh, KOH negative to brownish on cap, orangish on flesh, iron salts olive on cap, negative on flesh

Odour

Indistinct

Taste

Indistinct

Microscopy

Spores boletoid-fusiform, smooth, 10–14 x 3–4 µm, yellowish to golden in KOH, inamyloid

Overview

Medium bolete, recognized by its cracked, velvety cap revealing reddish flesh

2008). Czech Mycol. 60(1): 49.

Field encounters

24/Aug/24, 17:55 PM

Kloostrimetsa, Tallinn, Harjumaa, Estonia

Mixed forest, near cemetery, on hill with shrubbery

59°28'16.2"N 24°52'31.3"E

🔆 Overcast, shaded forest spot

Original Instagram post

Source hashtags

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