I'd like to briefly introduce the screw pine.

There are numerous species of screw pine in the world. A common species in Taiwan is Pandanus odoratissimus, called lin-tou (林投) by the locals. The specimen above was one we saw on the north coast. They grow in sandy coastal areas. The leaves resemble those of a palm or palmetto, and have spines along the edges. The fruit is edible, and resembles a pineapple. The appearance of the fruit changes considerably as it matures. Though called a "screw pine" it's not a pine, and though it bears a slight resemblance to a palm, it's not a palm.
Here's a detail of its fruit and leaves:
