Oak bolete
Butyriboletus appendiculatus
A species of Butter boletes.
As its name suggests, Oak bolete is predominantly discovered growing under oak trees. When bruised, both the stalk and cap of the oak bolete exhibit a striking blue discoloration. The epithet pendiculatus translates to having a small attachment.
In This Article
Attributes of Oak bolete
Cap Diameter
4 - 18 cm
Height
8 - 25 cm
Cap
Cap 6 - 20 cm in diameter; convex to flattened; brown to yellowish brown; dry to slightly sticky, may develop cracks with age
Cap Shape
Convex, Flat
Cap Surfaces
Velvety
Stem
5 - 15 cm long by 2 - 6 cm thick, thicker at the base to equal; yellow; may have fine reticulations near the top
Stem Shapes
Club Shaped
Flesh
Very firm; yellowish; slowly change blue when cut or bruised
Ring
Ringless
Spore Print Color
Dark olive-brown
Odor
Sourish, nutty with hints of raw meat.
Body Color
BrownYellowRed
Flesh Bruises
Discolor to blue
Growth Form
Solitary, Scattered
Nutrient Gathering
Mycorrhizal
Substrate
On soil
You can find Oak bolete by these plants
Oaks, Spruces, European beech
Species Status
More common in the Pacific Northwest region
Endangered Species
No
Scientific Classification of Oak bolete
Phylum
Club fungi
Class
Mushroom-forming fungi
Order
Boletes and allies
Family
Boletes
Genus
Butter boletes
Toxicity and Edibility of Oak bolete
Is Oak bolete Toxic?
Toxicity information is not available for this mushroom. Always consult with an expert before consuming any wild mushrooms.
