Pandanus utilis, the common screwpine is, despite its name, a monocot and not a pine.
It is native to Madagascar and naturalised in Mauritius and the Seychelles.
The trunk features aerial prop roots. The leaves are linear and spiny, with a spiral arrangement on the tree. The leaves are also dried out and rolled, and used to make mats in Kerala, India; and Hawaii.
Care must be taken when handling the leaves because of their sharp spines.
The fruit of Pandanus utilis is edible, although not flavorful ...