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 angular pores up to 2 mm wide that bruise a blue color. It is yellow when young but ages to a deep olive-brown color. Microscopically, "B. ananas" is distinguished by large spores with cross striae on the ridges and spirally encrusted hyphae in the marginal appendiculae and flesh of the stem. Previously known as "Boletus ananas" and "Boletus coccinea" (among other synonyms), the species was given its current name by William Alphonso Murrill in 1909. Two varieties of "Boletellus ananas" have been described. Although the mushroom may be considered edible, it is not recommended for consumption. The species was first