Boletus luridellus is most closely associated with oaks. Its flesh stains a deep blue or purple when damaged or sliced. Boletus luridellus has been found to help oak seedlings grow in greenhouse conditions, especially in dry parts of the world like Mexico where the trees have more difficulty. Luridellus translates to "drab yellow or dirty brown."
Cap Diameter:
4 - 12 cm
Odor:
Mildly mushroomy but not distinctive.
In This Article
Attributes
Similar Species
Tips for Finding
Clean and Preserve
Common Questions
General Info About Boletus luridellus
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Attributes of Boletus luridellus
Cap Diameter
4 - 12 cm
Cap
Cap 4 - 12 cm wide; broadly convex to nearly plane; yellow brown; pulvinate, surface dry; margin with projecting sterile portion
Stem
Nearly equal; solid; yellow above, dark red to brownish red below; display blue quickly when handled or bruised
Flesh
Yellow down to a red base; quickly staining blue when exposed