rooting bolete
From the latest record: 2026-07-12.
Pores small, rounded, lemon-yellow when young, later to olive-yellow, rapidly bruising blue when touched
Hemispherical to convex, later broadly convex; pale buff, ivory, greyish-whitish-brown; dry, finely downy when young, cracked or uneven with age
Adnate to adnexed, sometimes slightly depressed around the stipe
Stout, swollen to barrel-shaped when young, later elongated and rooting/tapering at base; yellow near apex, paler to brownish below; fine pale reticulation near the upper part
Spore print: Olive-brown to olivaceous walnut-brown
Ectomycorrhizal with broadleaved trees: oak, beech, hornbeam, chestnut and lime; woodland, parks and calcareous or base-rich soils; summer to early autumn
Strongly inedible, extremely bitter, causes severe gastrointestinal symptoms
Fruit body: Large and robust; stipe ~5–10 cm long, ~3–5 cm thick
Cap: ∅ ~7–20(–30) cm
Flesh pale yellow to whitish, rapidly turning blue when cut or bruised
KOH orange on flesh; red-brown on cap
Pleasant, mushroomy
Strongly bitter
Spores ellipsoid to fusiform, smooth, ~11.5–14 × 4–5.5 µm; pileipellis a trichodermium of interwoven septate, finely incrusted hyphae
Large pale rooting bolete with yellow pores that bruise blue, bitter taste and reticulation
2014). Index Fungorum 146: 1.
Tivoli elurajoon, Tallinn, Harju, Eesti
Urban buildings near coastline, with Oaks and Birches, calcareous roadside verge, in mawned grass
59°26'31.8"N 24°47'01.2"E
🌡️ 21°C 🌤️ Passing clouds 💨 Wind 40° NE->SW, 9 km/h
Original Instagram postTivoli elurajoon, Tallinn, Harjumaa, Eesti
In oak (Quercus robur) park, calcareous soil, grassland, near sea coastline
59°26'31.7"N 24°47'01.5"E
🌡️ 20.5°C 🌅 Morning rising sun, mostly clear sky
Original Instagram postTivoli elurajoon, Tallinn, Harjumaa, Estonia
In oak (Quercus robur) park, calcareous soil, in tall grass, near sea coastline
59°26'32.0"N 24°47'01.2"E
🔆 Mild evening overcast, open spot
Original Instagram postTivoli elurajoon, Tallinn, Harjumaa, Estonia
In oak (Quercus robur) park, calcareous soil, in tall grass, near sea coastline.
59°26'32.0"N 24°47'01.2"E
🔆 Semishade, sunny weather with rain clouds, evening sun
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