Kingdom Fungi | Division Basidiomycota Scientific name Imperator rhodopurpureus Rank Species | |
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Similar Rubroboletus rhodoxanthus, Rubroboletus legaliae, Imperator torosus, Butyriboletus fechtneri, Imperator luteocupreus | ||
Imperator rhodopurpureus is an inedible fungus of the genus Imperator, found under deciduous trees including oak and beech in neutral soils. Initially described as Boletus rhodopurpureus, it was transferred to the new genus Imperator in 2015. The bolete is considered critically endangered in the Czech Republic.
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Description
The cap is cushion-like, up to 15 cm in diameter; faint yellow- or pink-buff when young, later flushing red from the rim and becoming blotched with yellow, red and olivaceous tones. The tubes are orange or red at first, then turning dark blue when cut. The spores are olive-brown. The stem is rather short, and sometimes very bulbous. The flesh is pale yellow, turning blue when cut.
Similar species
In the warmest regions of central and southern Europe the blood red-capped Rubroboletus dupainii.
