Butyriboletus roseopurpureus

All yellow except the pink/purple cap. Yellow flesh blues quickly (fading to slate), smells fragrant, & tastes of sour lemon.

SKU: Boletus roseopurpureus Categories: 1. Found in Connecticut, 2. Cap Tastes Sour or Acidic, 2. Found in Florida, 3. Found on Long Island (New York), 4. Found in Mississippi, 4. Found in Pennsylvania, 4a. Found in S.W. Pennsylvania, 5. Found in North Carolina, 5. Found in Ontario, 5. Found in W. Va. or the Central Appalachians, 6. Found in Eastern Texas, 6. Found in Quebec, CAP COLOR FILTERS, CAP FLESH COLOR FILTERS, Cap Flesh is Yellow, CAP FLESH STAINING FILTERS, Cap Flesh Stains a Color Other than Blue, Cap Flesh Stains Blue, CAP SIZE FILTERS, CAP TASTE FILTERS, CAP TEXTURE FILTERS, Cap Texture is: 1- Dry & Smooth (Normal), Cap Texture is: 2- Viscid, Sticky, Slimy or Slick, Deciduous (Leafy) Trees, Edibility: 5- Choice, FILTER SET #1: REGION, FILTER SET #2: CAP FEATURES, FILTER SET #3: PORE FEATURES, FILTER SET #4: STEM FEATURES, FILTER SET #5: CAP FLESH (CONTEXT) FEATURES, FILTER SET #6: SPORE PRINT, FILTER SET #7: HABITAT FILTERS, FILTER SET #8: EDIBILITY, My Mushroom's Cap is >0.1" Across, My Mushroom's Cap is >4” Across, My Mushroom's Cap is >6” Across, PORE COLOR FILTERS, PORE SIZE FILTERS, PORE STAINING FILTERS, Pores Stain Blue, Primary Cap Color is: 3- Red, Pink, Purple, or Orange, Primary Pore Color is: 2 - Yellow to Gold, Primary Stem Color is: 2- Yellow to Orange, Primary Stem Color is: 3- Red, Pink, Purple, or Orange, Spore Print is 1- Olive to Olive-Brown, Spore Print is 4- Plain Old Brown, STEM COLOR FILTERS, STEM DECORATION/ TEXTURE FILTERS, STEM SIZE FILTERS, Stem: 4- Has Ridges, Stem: 5- Is Netted (Reticulated), ZONE 1- the NORTHEAST, ZONE 2- the MIDWEST, ZONE 5 - the SOUTH

Description
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Description

A beautiful array from Robert Gergulics of "The 3 Foragers"

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: Choice.

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.

Links:

National Audubon Society Field guide to Mushrooms, Gary Lincoff

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Mushrooms of West Virginia and the Central Appalachians

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North American Boletes

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