Leccinum rubropunctum (“Ashtray Bolete”)

Smallish (<3″) red-brown cap is usually furrowed or wrinkled. Unpleasant “ash tray” smell. Buff-yellow stem w/reddish spots. Yellowish flesh DNS.

SKU: Boletus rubropunctus Categories: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Description

Name in North American Boletes: Boletus rubropunctus

Genus: Leccinum

  • Genus 2: Boletus

Species: rubropunctus

  • Species 2: rubropunctum

Common Name: “Ashtray Bolete”

Tells: Smallish (<3″) red-brown cap is usually furrowed or wrinkled. Unpleasant “ash tray” smell. Buff-yellow stem w/reddish spots. Yellowish flesh DNS.

Other Information: Bright yellow pores age to brownish yellow and DNS. The stem is often quite long and/or sharply curved at the bottom. The cap can be viscid, and will be smooth on some rare specimens.

Science Notes: DNA testing moved this mushroom from Boletus to Leccinum.

Edibility: Edible but supposed to taste “unpleasant”.

CHEMICAL TESTS:

  • NH4OH (Ammonia): Cap skin turns amber. Flesh briefly flashes blue-green.
  • KOH: Cap skin turns amber. Flesh turns orange.
  • FeSO4 (Iron Salts): Cap skin turns pale olive. Flesh turns grayish olive.

Links:

National Audubon Society Field guide to Mushrooms, Gary Lincoff 0Mushrooms of West Virginia and the Central Appalachians 0North American Boletes154261

Got something to discuss?