🇺🇸 rooting bolete - 🇩🇪 Wurzelnder Bitter-Röhrling - 🇪🇪 Mõru kivipuravik - 🇷🇺 Твёрдоборовик коренастый 8/10/24—7/12/26
🆔 Caloboletus radicans (Pers.) Vizzini
ℹ️ Hymenium: Pores small, rounded, lemon-yellow when young, later to olive-yellow, rapidly bruising blue when touched
ℹ️ Cap: Hemispherical to convex, later broadly convex; pale buff, ivory, greyish-whitish-brown; dry, finely downy when young, cracked or uneven with age
ℹ️ Hymenium Attachment: Adnate to adnexed, sometimes slightly depressed around the stipe
ℹ️ 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
🇺🇸 rooting bolete - 🇩🇪 Wurzelnder Bitter-Röhrling - 🇪🇪 Mõru kivipuravik - 🇷🇺 Твёрдоборовик коренастый