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 preserves pH adjusting agent or an antifoaming agent. Both types cannot contain apple or rhubarb fruit. Though both types of jam are very similar, there are some differences in fruit percent, added pectin and added acidity. Fruit jam must have at least 45% fruit and may contain added pectin to compensate for the natural pectin level found in the fruit. Fruit jam with pectin need only contain 27% fruit and is allowed to contain added acidity to compensate for the natural acidity of the fruit. In the U.S., jelly (from the French "gelée") refers exclusively to a clear or translucent fruit