Boletus mahogonicoloroides

Mahogany (or a bit redder) cap lightens & may stain blue at edge. Yellow cap flesh stains blue, resolving to pale red-brown. Yellowish pores bruise blue-black.

Categories: 4. Found in Mississippi, 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), Coniferous ("Needle-y") Trees, Deciduous (Leafy) Trees, Edibility: 3- Iffy, 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 is Mature & Its Pores are Tiny, 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: 3- Red, Pink, Purple, or Orange, Primary Cap Color is: 4- Some Shade of Brown, Primary Cap Color is: 5- Black, Dark Brown, or Dark Gray, 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, Primary Stem Color is: 4- Some Shade of Brown, Spore Print is 1- Olive to Olive-Brown, Spore Print is 4- Plain Old Brown, STEM COLOR FILTERS, STEM DECORATION/ TEXTURE FILTERS, Stem Is Bulbous, STEM SIZE FILTERS, Stem: 1- Has No Significant Ornaments, ZONE 5 - the SOUTH

Description
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Description

Genus: Boletus

Genus 2: Neoboletus (probably)

Species: mahoganicoloroides

Common Name: “Mahogany Colored Bolete”

Tells: Mahogany (or a bit redder) cap lightens & may stain blue at edge. Yellow cap flesh stains blue, resolving to pale red-brown. Yellowish pores bruise blue-black.

Other Information: Blue-bruising stem is bright yellow near pores & redder by base. Pores start yellow but age to greenish- & then brownish-yellow. Only known from Mississippi.

Science Notes: This will probably end up in Neoboletus, but testing and publication will be required to accomplish that.

Edibility: Unknown.

CHEMICAL TESTS:

NH4OH (Ammonia): Cap surface turns yellow. Cap flesh turns pale orange. Pore surface turns pale reddish brown.
KOH: Cap surface darkens. Cap flesh turns pale brownish orange. Pore surface turns burnt orange.
FeSO4 (Iron Salts): Cap and pore surfaces have no reaction. Cap flesh turns grayish.

Links:

Mushroom Expert
Mushroom Observer
Wikipedia
Google Image Search

National Audubon Society Field guide to Mushrooms, Gary Lincoff

567

Mushrooms of West Virginia and the Central Appalachians

North American Boletes

84

115

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