Caloboletus calopus

Bitter flesh stains quickly blue. Red stem is very netted, browner low, & yellow by the pores. Yellow pores age darker & quickly blue. Likes hemlock.

SKU: Boletus calopus Categories: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Description

Name in North American Boletes: Boletus calopus

Genus: Caloboletus

  • Genus 2: Boletus

Species: calopus

Common Name:

Tells: Bitter flesh stains quickly blue. Red stem is very netted, browner low, & yellow by the pores. Yellow pores age darker & quickly blue. Likes hemlock.

Other Information: Olive- to gray-brown cap pales w/age & usually cracks or fissures in the center. NOTE: The species name “calopus” comes from Europe and will most likely have to be changed. Compare to Caloboletus inedulis, an American name.

Science Notes: DNA

Edibility: Bitter

CHEMICAL TESTS:

  • NH4OH (Ammonia): Cap flesh turns yellow-brown.
  • KOH: Cap flesh turns yellow-brown.
  • FeSO4 (Iron Salts): Cap flesh turns olive-green.

Links:

National Audubon Society Field guide to Mushrooms, Gary Lincoff0Mushrooms of West Virginia and the Central Appalachians0North American Boletes100186

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