Boletellus ananas for the species is therefore "Boletus ananas" M.A. Curtis 1848, the basionym of "Boletellus ananas". "Boletellus ananas", as the type species of the genus "Boletellus", is in section "Boletellus" that Singer based on the scaly, dry cap with red-pink tones, a marginal veil that clasps the stem when immature, and longitudinally ridged spores that are greater than 16 μm long. The genus name "Boletellus" means "small boletus", while the specific epithet "ananas" alludes to the name for pineapple, referring to the pineapple-like pattern of scales on the cap surface. The mushroom is commonly known as the "pineapple bolete". The cap
Boletellus ananas although he admitted it was impossible to come to any definitive conclusions until mature fruit bodies and spore prints were available for study. Rolf Singer and colleagues (1992) suggested the name "Boletellus coccineus" for "Boletellus ananas". Singer created this name, however, in the mistaken belief that the earliest available name for the taxon was "Boletus coccineus", proposed by Elias Magnus Fries in 1838. However, Fries’s name is an illegitimate later homonym (compare with "Boletus coccineus", named by Bulliard in 1791), and Singer’s combination is actually based on "Strobilomyces coccineus", named by Pier Andrea Saccardo in 1888. The earliest available name