Pineapple (now termed pine cones). When European explorers encountered this tropical fruit in the Americas, they called them "pineapples" (first referenced in 1664, for resemblance to pine cones). In the scientific binomial "Ananas comosus", "ananas", the original name of the fruit, comes from the Tupi word "nanas", meaning "excellent fruit", as recorded by André Thevet in 1555, and "comosus", "tufted", refers to the stem of the fruit. Other members of the genus "Ananas" are often called pine, as well, in other languages. The pineapple is a herbaceous perennial, which grows to tall, although sometimes it can be taller. In appearance, the
Boletellus ananas ananas" by smooth stem without a ring, different spores, and flesh that is less tough. The Australian species "Boletellus ananiceps" has spores with narrow longitudinal ribs that do not have cross-striae. "B. dissiliens" has colors that are not red as in "B. ananas", and pores that can become reddish in maturity. Further, the cap flesh of "B. dissiliens" turns blue upon exposure to air. The fruit bodies of "B. ananas" typically grow scattered or in groups under oak and pine trees, often on their bases. In Guyana, the mushroom typically fruits singly or in pairs within above ground level on