Pineapple Ananas ComosusPineapple fruit plants belong to the Ananas genus, and the most common and widely cultivated species is known scientifically as Ananas comosus. Pineapples are tropical fruit bearing plants native to South America but are now grown in many tropical regions around the world. They are members of the Bromeliaceae family and are appreciated for their sweet and tangy flavor, as well as their juiciness.