Stem Is Bulbous
Showing 49–64 of 161 results
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Butyriboletus persolidus (“Butter Bolete”)
Short, butter-yellow, oft-bulbous stem may have red-brown stains, esp. lower down. Yellow pores darken w/age & stain blue. Firm texture.
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Butyriboletus primiregius (“Red-Capped Butter Bolete”)
Oft-pitted/wrinkled cap is usually bright rose- pink to -red. Yellow, oft-bulbous, finely netted stem stains blue. Grows w/mountain conifers in spring.
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Butyriboletus querciregius (“Red-Capped Butter Bolete”)
Oft-pitted/wrinkled cap is usually bright rose- pink to -red. Yellow, oft-bulbous, finely netted stem stains blue. Grows w/oak in autumn.
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Butyriboletus taughannockensis (“Igor’s Bolete”)
The butter bolete that does not bruise blue. Brown, often wavy cap fades w/age & can grow spotted in age. Yellow stem w/fine, oft-raised netting. Likes oak.
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Caloboletus calopus
Bitter flesh stains quickly blue. Red stem is very netted, browner low, & yellow by the pores. Yellow pores age darker & quickly blue. Likes hemlock.
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Caloboletus conifericola
Both pale, bitter cap flesh & yellow pores (age dingier) instantly blue. Pale yellow stem darkens to deep brown by the base, & has fine netting at least on top.
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Caloboletus frustosus
Bitter flesh DNS. Yellow to green-yellow pores stain blue, then resolve to brown. Yellowish- to gray-brown cap cracks & fissures w/age.
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Caloboletus inedulis
Bitter, whitish-yellow cap flesh stains blue. Yellow pores darken w/age & stain blue. Netted stem is yellow on top, red going down, w/dark-staining base.
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Caloboletus rubripes (“Western Bitter Bolete”)
Pale cap flesh blues instantly, tastes bitter & often smells bad. Yellow pores blue instantly. Buff to olive- or gray-brown cap bruises brown & often cracks & fissures w/age.
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Cyanoboletus bessettei (“Swamp Fox”)
Reddish- or buff-brown cap pales from the edge in. Pale yellow flesh bruises blue-green, fading to peach & then dull pinkish orange. Unpleasant chemical odor.
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Cyanoboletus cyaneitinctus
Quick-bluing stem flesh is yellow high & brown at the base. Yellow pores and stem (gets redder going down) bruise blue but resolve to brown.
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Exsudoporus floridanus
Viscid red cap. Yellow cap flesh blues. Red stem very netted, esp. high up. Red or orange-red pores stain blue, w/yellow drops on babies.
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Fistuinella jamaicensis
Coarse netting on the yellow, oft-twisted stem. Pink, yellow or tan cap. Pale, nonbruising cap flesh becomes deep yellow in the stem base. Deep yellow mycelium.
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Gastroboletus citrinobrunneus
Irregular, undulating, oft-wrinkled or ridged, yellow cap w/brown on the redges & margin, quickly bruises blue-green.
