This is a Hala tree, otherwise known as Screw Pine or Tourist Pineapple because unfamiliar tourists think it’s a pineapple. The fruit is edible and the long leaves contain fibers used for weaving.
Here is my first set of photos from the Ho’omaluhia Botanical Garden on Oahu. If you go here, bring LOTS of bug spray.
Because nature has a sense of humor, sausages grow on trees! This was at the Koko Crater Botanical Gardens. It is a Sausage Tree, or Kigelia Pinnata. The blurry photos are mine, the clear shots are some that I found online so you can see it properly.