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Low toxicity🍽️ Edible

🍄 Orange birch bolete

Leccinum aurantiacum · Boletaceae

🌳 Temperate Europe🏔️ Mountains🌲 Boreal🍁 North America
🧠 To remember it“Black-speckled stem, flesh turning black: cook it long, never a quick snack” — the golden rule for Leccinum.
Orange birch bolete — Leccinum aurantiacum

🔍 Identify it without mistakes

Large bolete associated with broadleaf trees (especially aspens and poplars), with flesh that turns dramatically black when cut and cooked — normal behavior, not a sign of toxicity, but it requires thorough and prolonged cooking to be digestible.

  1. brick-red to orange-brown cap, hemispherical, margin slightly overhanging the tubes
  2. whitish to gray tubes and pores, not bruising blue when touched
  3. stout white stem, covered with small dark, almost black squamules (flakes), giving a characteristic rough appearance
  4. white flesh that turns blue then BLACKENS when cut, and even more so when cooked
  5. olive-brown spore print
  6. grows under broadleaf trees, especially aspens, poplars, and oaks
Sizecap 8-20 cm, stem 10-20 cm
Floweringsummer-autumn
Habitatdeciduous forests, especially under aspens and poplars

⚠️ Not to be confused with

Oak orange bolete / poplar orange bolete (Leccinum quercinum, Leccinum albostipitatum)none, equally edible following the same cooking precautions

To tell them apart: these closely related species are mainly distinguished by their host tree (oak for L. quercinum, poplar/aspen for L. aurantiacum and L. albostipitatum) and subtle stem color nuances; all require the same thorough cooking

🍽️ Eating it

Partscap, stem
Seasonsummer-autumn
Tastemild, firm texture, darkens during cooking without losing flavor

Preparation : ALWAYS well-cooked for at least 15 minutes, never raw or undercooked — like all Leccinum species, it is indigestible and can cause severe digestive upset if undercooked

Sources (3)

No entry replaces a certain identification in the field, or medical advice. When in doubt: don't eat it. If ingestion is suspected: poison control or 112/911.