Pineapple (Ananas comosus)'s the common name for an edible tropical plant and also its fruit. It's native to the southern part of Brazil, and Paraguay. This herbaceous perennial plant grows to tall with 30 or more trough-shaped and pointed leaves long, surrounding a thick stem. The pineapple's an example of a multiple fruit: multiple, helically-arranged flowers along the axis each produce a fleshy fruit that becomes pressed against the fruits of adjacent flowers, forming what appears to be a si… (More on Pineapple)