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Caloboletus frustosus

A species of Bitter boletes

Caloboletus frustosus belongs to a notable group known for their thick-stemmed and stout fruiting bodies. They typically have a cap with a distinctive coloration, ranging from bright to earthy tones, and the underside contains pores instead of gills. These pores release spores that help in reproduction. Caloboletus frustosus is mostly found in wooded areas, forming a symbiotic relationship with trees through their roots.

Cap Diameter:

7 - 15 cm

Odor:

Mildly mushroomy but not distinctive.

General Info About Caloboletus frustosus

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Attributes of Caloboletus frustosus

Cap Diameter

7 - 15 cm

Cap

Cap 7 - 15 cm; convex, becoming broadly convex; medium to dark yellowish brown; dry; margin inrolled

Stem

Stem 5 - 10 cm long, 2.5 - 3.5 cm thick; equal above an abruptly tapered base; ground color brownish

Flesh

Whitish to very pale yellowish; quickly staining red in the stem and pale blue in the cap when sliced

Spore Print Color

Olive brown

Odor

Mildly mushroomy but not distinctive.

Body Color

Brown

Yellow

Red

Flesh Bruises

The flesh or milk does not discolor when bruised or cut.

Growth Form

Solitary, Scattered

Nutrient Gathering

Mycorrhizal

Substrate

On soil

You can find Caloboletus frustosus by these plants:

Oaks, Pines

Occurence Habitats

Coniferous Woodland

Species Status

Not uncommon

Endangered Species

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Habitat of Caloboletus frustosus

Caloboletus frustosus typically grow in soil situated in coniferous forests, often under fir trees, and prefer higher elevation areas.

Scientific Classification of Caloboletus frustosus

Phylum

Club fungi

Class

Mushroom-forming fungi

Order

Boletes and allies

Family

Boletes

Genus

Bitter boletes

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Tips for Finding Caloboletus frustosus

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What are the Ideal Soil Conditions for Caloboletus frustosus

Well-drained, mountainous terrain.

What are Some Tips for Finding Caloboletus frustosus

Search around the base of fir trees, as caloboletus frustosus favor these locations.
Target higher altitudes, particularly mountainous regions that are well above sea level.
Inspect areas where the ground is not heavily covered in vegetation, facilitating easier visibility of caloboletus frustosus.
Gently brush away surface debris like leaves and pine needles to reveal camouflaged specimens of caloboletus frustosus.
Wear appropriate hiking gear to access sloped and potentially rugged terrains where caloboletus frustosus can be found.

How to Clean and Preserve Caloboletus frustosus

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Common Questions People Also Ask

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