Suillus ampliporus (“Hollow Stalked Larch Bolete”)

Dense hairs on brown cap make a velvety texture. Stem is hollow in the bottom half, yellow on the oft-netted upper part, & often has a ring. Pores are often huge & elongated.

Description

Name in North American Boletes: Suillus cavipes

Genus: Suillus

Species: ampliporus

  • Species 2: cavipes

Common Name: “Hollow Stalked Larch Bolete”

  • Common Name 2: “Hollow Stalked Tamarack Jack”

Tells: Dense hairs on brown cap make a velvety texture. Stem is hollow in the bottom half, yellow on the oft-netted upper part, & often has a ring. Pores are often huge & elongated.

Other Information: Likes larch, & often found in wet or even boggy soil.

Science Notes: Most books will refer to this as Suillus cavipes, but that is a European name and DNA testing has shown that North America’s version is a different species.

Edibility: Good.

CHEMICAL TESTS:

  • NH4OH (Ammonia): Cap skin turns red.
  • KOH: Cap skin turns black.
  • FeSO4 (Iron Salts): Cap skin has no reaction.

Links:

National Audubon Society Field guide to Mushrooms, Gary Lincoff 583 Mushrooms of West Virginia and the Central Appalachians 0 North American Boletes 233

(cavipes)

BENA 326

(cavipes)

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