Fragrant screw-pine also known as Kewda  is an aromatic monocot species of plant in the family Pandanaceae, native to Polynesia, Australia, South Asia (Andaman Islands), and the Philippines, and is also found wild in southern India and Burma.

 'Fragrant Screw Pine' is a small branched tree or shrub with fragrant flowers, found wild in southern India, Burma and the Andamans. it is a small, slender, branching tree with a flexuous trunk supported by brace roots. With rosettes of long-pointed, stiffly leathery, spiny, bluish-green, fragrant leaves, it bears in summer very fragrant flowers. It is used as perfume. aromatic oil (kevda oil) and fragrant distillation (otto) called "keorra-ka-arak". Used plant part - male flowers. They are almost exclusively used in the form of a watery distillate called kewra water. Flowers have a sweet, perfumed odor that has a pleasant quality similar to rose flowers, but kewra is more fruity. The distillate (kewra water, pandanus flower water) is quite diluted; it can be used by the teaspoon, often even by the tablespoon. Most delightful, richest, and powerful of perfumes even when dried.

It is a small branched, palm-like dioecious tree with a flexuous trunk supported by brace roots. The tree can grow to a height of 4 meters. Leaves grow in clusters at the branch tips, with rosettes of sword-shaped, stiff (leather-like) and spiny bluish-green, fragrant leaves. Leaves are glaucous, 40–70 cm. long. In summer, the tree bears very fragrant flowers, used as perfume. In Yemen, they are predominantly found alongside flowing streams in the western escarpment foothills; Most common in high rainfall areas. The fragrant male flowers are wrapped in leaves and sold on roadsides and in markets. Only male plants seem to occur in Yemen. Some suggest that it was introduced into Yemen from India where its flowers are used chiefly to make perfume.

An aromatic oil (kevda oil) and fragrant distillate (otto) called keorra-ka-arak are extracted from the male flowers. They are almost exclusively used in the form of a watery distillate called kewra water. Flowers have a sweet, perfumed odor that has a pleasant quality similar to rose flowers, although kewra is considered more fruity. The distillate (kewra water, pandanus flower water) is quite diluted- it can be used by the teaspoon, often even by the tablespoon.