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
Fruit in which part or all of the "pericarp" (fruit wall) is fleshy at maturity are "simple fleshy fruits". Types of simple, fleshy, fruits (with examples) include: An aggregate fruit, or "etaerio", develops from a single flower with numerous simple pistils. The pome fruits of the family Rosaceae, (including apples, pears, rosehips, and saskatoon berry) are a syncarpous fleshy fruit, a simple fruit, developing from a half-inferior ovary. Schizocarp fruits form from a syncarpous ovary and do not really dehisce, but rather split into segments with one or more seeds; they include a number of different forms from a wide range