Description
A beautiful array from Robert Gergulics of “The 3 Foragers”
Name in North American Boletes: Boletus roseopurpureus
Genus: Butyriboletus
- Genus 2: Boletus
Species: roseopurpureus
Common Name:
Tells: All yellow except the pink/purple cap. Yellow flesh blues quickly (fading to slate), smells fragrant, & tastes of sour lemon.
Other Information: Yellow pores darken w/age & stain dark greenish-blue, soon fading to a lighter shade. Strongly netted yellow stem instantly stains dark blue (and can be reddish by the base). Particularly likes red oak.
Science Notes: DNA testing moved this mushroom from Boletus to a newly erected genus called “Butyriboletus” (“butyri” being latin for “butter” and this being one of the Butter Boletes).
Edibility: Good to Choice. The authors of BOENA have confirmed that this will be changed in their magnificent book. Friends who have tried it describe the taste and texture as “definitely Choice,” but that is an opinion you’ll have to confirm for yourself.
CHEMICAL TESTS:
- NH4OH (Ammonia): Cap skin turns dingy yellow to dull orange. Cap flesh and stem skin both turn dull orange.
- KOH: Cap skin, cap flesh, and stem skin all turn dull orange.
- FeSO4 (Iron Salts): No data.
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