Synonyme:
Boletus erythropus; Boletus luridiformis.
Name: the Greek erythropos means "red" and "foot".
English: Scarletina bolete; Dotted stem bolete.
German: Flockenstielige Hexen-Röhrling; Schusterpilz; Tannenpilz; Donnerpilz; Zigeunerpilz.
French: Bolet à pied rouge.
Region: Northern Europe, North America.
Habitat: deciduous or coniferous woodland, prefers acid soils.
Use: edible, when cooked properly, gastric upset when eaten raw.
MycologyNeoboletus luridiformis is a large solid fungus; little smell.
Cap: bay-brown; hemispherical to convex; up to 20 cm wide; quite felty initially; with small orange-red pores, rusty with age, bruise blue to black; tubes are yellowish-green, and become blue quickly on cutting; flesh stains dark blue when bruised, broken, or cut.
Stipe: fat, colorful, densely red-dotted yellow; ± 10 cm high; no network pattern.
Spore print: olive greenish-brown.
Spores: red, yellow when young.
TaxonomyGenetic analysis Boletus luridiformis and many red-pored boletes were part of a dupainii clade, well-removed from the core group of
Boletus edulis. This indicated that it needed to be placed in a new genus, Neoboletus, in 2014.