Pineapple is a kind of multiple fruit. Multiple fruits, also called collective fruits, are fruiting bodies formed from a cluster of fruiting Examples are the fig, pineapple, mulberry, osage-orange, and breadfruit. In languages other than English, the. Fig fruits are bell-shaped, with a wide, flat bottom narrowing to a pointed top. When the fruit ripens, the top may bend, forming a "neck." Figs can be brown, purple. The Remarkable Genus of Figs (Ficus) The pineapple is a multiple fruit in the bromelia family (Bromeliaceae), and the aroid Monstera deliciosa is a multiple.