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Photo By Alan Rockefeller

Satan's bolete

Rubroboletus eastwoodiae

A species of Rubroboletus, Also known as Devils mushroom

The squat, rounded red fruitbody of the satan's bolete is one of the most poisonous mushrooms in the Boletes family, an implication one can easily gather from its common English name. Two species actually share this evocative name, however the European Boletus satanas is a different organism entirely than the Rubroboletus eastwoodiae under discussion here.

Cap Diameter:

9 - 23 cm

Odor:

Mildly mushroomy but not distinctive.

General Info About Satan's bolete

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Attributes of Satan's bolete

Cap Diameter

9 - 23 cm

Height

8 - 15 cm

Cap

Cap 10 - 25 cm wide; convex; olive-colored, pinkish in age; dry; turns blue with bruising; margin curves inward then expands

Cap Shape

Convex

Stem

7 - 15 cm tall, 3 - 6 cm wide; cap-colored; with massive abrupt bulb

Stem Shapes

Bulbous

Stem Surfaces

With Reticulum

Flesh

Thick; yellowish; turning blue when exposed

Ring

Ringless

Spore Print Color

Olive-brown

Odor

Mildly mushroomy but not distinctive.

Body Color

Green

Pink

Flesh Bruises

Discolor to blue

Growth Form

Solitary, Scattered

Nutrient Gathering

Mycorrhizal

Substrate

On soil

You can find Satan's bolete by these plants:

Spruces, Oaks, Pines

Occurence Habitats

Deciduous Woodland

Species Status

Least Concern

Endangered Species

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Habitat of Satan's bolete

Restricted only to the west coast of the United States, the satan's bolete is closely associated with oak, particularly coast live oak (Quercus agrifolia). It always grows near the roots of trees, where it exists in a symbiotic relationship in which the two species feed each other essential nutrients.

Scientific Classification of Satan's bolete

Phylum

Club fungi

Class

Mushroom-forming fungi

Order

Boletes and allies

Family

Boletes

Genus

Rubroboletus

Toxicity and Edibility of Satan's bolete

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Is Satan's bolete Toxic?

The satan's bolete is a poisonous mushroom that causes mild to severe gastrointestinal upset. The symptoms of poisoning are nausea, vomiting, diarrhea, stomach cramps, and profuse sweating. The mushroom is best avoided.

Similar Species to Satan's bolete

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Tips for Finding Satan's bolete

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What are the Ideal Soil Conditions for Satan's bolete

Well-drained soil with organic matter.

What are Some Tips for Finding Satan's bolete

Search around oak trees, particularly where leaves have formed a natural mulch.
Look for satan's bolete in open woodland areas and forest peripheries rather than denser forest interiors.
Inspect well-drained soil areas, taking care not to disturb the ground excessively.
Keep an eye out for the distinct cap and stalk of satan's bolete emerging from the leaf litter.