Page author: Olivia Filialuna
Boletus regius
red-capped butter bolete

Habitat: oak

Spores: Spring, summer, and fall

Conservation Status: Not of concern

Edibility: Edible.



Identification Notes:

Cap: 6-20 cm broad or more, convex to plane or somewhat irregular; surface smooth to uneven or pitted sometimes minutely hairy when young, dry or slightly viscid; pink to rosy-red or dark red, sometimes also with brownish tones or yellow areas. Flesh very thick, firm, yellow, slowly and erratically or irregularly blueing when exposed; taste mild. Pores: bright yellow becoming darker yellow or olive-yellow in old age; usually blueing when bruised. Stalk: 4-14 cm long, 2.5-6 cm thick at apex, usually bulbous or thicker below, often rather short in relation to cap; solid, firm, pale to bright yellow but usually bruising blue and often reddish-stained below; finely reticulate over at least the upper half; flesh in base often pinking or vinaceous.

Sources: Arora, David. Mushrooms Demystified. Berkeley, Ten Speed Press, 1986.

Accepted Name:
Boletus regius Krombh.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Boletus regius in the Consortium of Pacific Northwest Herbaria database

CalPhotos: Boletus regius photos

0 photographs:
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