Rubroboletus haematinus

Blue-bruising red pores (yellow on babies) age to reddish-brown. Yellow cap flesh stains blue. Red netting on thick yellow stem, esp. at the top.

SKU: Boletus haematinus Categories: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Description

Name in North American Boletes: Boletus haematinus

Genus: Boletus

Species: haematinus

Common Name:

Tells: Blue-bruising red pores (yellow on babies) age to reddish-brown. Yellow cap flesh stains blue. Red netting on thick yellow stem, esp. at the top.

Other Information: Yellow- to dark brown, oft-wavy cap may tint red, esp. by the edge, & often cracks w/age. Grows under mountain conifers, especially red fir. Found to date only in California and Idaho.

Science Notes: DNA testing moved this mushroom into the newly erected genus “Rubroboletus.” NOTE: This is the “Bad News Boletes” genus that includes many of the worst sick-makers. Red flags should go off when you see it.

Edibility: Avoid. Technically it is “Unknown,” but with red-pored blue-stainers caution takes the better part of valor.

CHEMICAL TESTS:

  • NH4OH (Ammonia): No data.
  • KOH: No data.
  • FeSO4 (Iron Salts): No data.

Links:

National Audubon Society Field guide to Mushrooms, Gary Lincoff0Mushrooms of West Virginia and the Central Appalachians0North American Boletes117

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