Boletus holoxanthus

Yellow cap, pores & stem flesh all blue quickly & then fade to dark gray. Coarsely red-netted stem & cap flesh also blue & then fade.

SKU: Boletus pseudosulphureus Categories: 2. Cap Tastes Sour or Acidic, 3. Cap Tastes Nutty or Sweet, CAP COLOR FILTERS, CAP FLESH COLOR FILTERS, Cap Flesh is Yellow, CAP FLESH STAINING FILTERS, Cap Flesh Stains a Color Other than Blue, CAP SIZE FILTERS, CAP TASTE FILTERS, CAP TEXTURE FILTERS, Cap Texture is: 1- Dry & Smooth (Normal), Cap Texture is: 4- Cracked Beyond Environmental Effects, Deciduous (Leafy) Trees, Edibility: 4- Good, 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, PORE COLOR FILTERS, PORE SIZE FILTERS, PORE STAINING FILTERS, Pores Stain Blue, Pores Stain Other than Blue, Primary Cap Color is: 2- Yellow to Orange, Primary Cap Color is: 4- Some Shade of Brown, Primary Pore Color is: 2 - Yellow to Gold, Primary Pore Color is: 4 - Some Shade of Brown, 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), Stem: Netting is RED, ZONE 4 - the SOUTHWEST

Description
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Description

Genus: Boletus

Species: holoxanthus

Common Name:

Tells: Yellow cap, pores & stem flesh all blue quickly & then fade to dark gray. Coarsely red-netted stem & cap flesh also blue & then fade.

Other Information: In addition to the blues-and-fades characteristics: Yellow cap ages to orange- or golden-brown in the center, cracks & fissures w/age. Yellow cap flesh tastes nutty w/a sour component. Lemon yellow pores age to greenish yellow or olive. Coarse red-netting on a bright yellow stem. Yellow stem flesh is burgundy-red by the base & bug holes. Likes oak. The more widespread B. pseudosulphureus lacks the netting on its stem.

Edibility: Good.

CHEMICAL TESTS:

NH4OH (Ammonia): No data.
KOH: No data.
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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