Pterocarpus indicus (commonly known as Amboyna wood, Malay padauk, Papua New Guinea rosewood, Philippine mahogany, Andaman redwood, Burmese rosewood, narra[3] (from Tagalog[4]) and asana in the Philippines, angsana, or Pashu padauk) is a species of Pterocarpus of the Sweet Pea Family (Papilionaceae) native to southeastern Asia, northern Australasia, and the western Pacific Ocean islands, in Cambodia, southernmost China, East Timor, Indonesia, Malaysia,[5] Papua New Guinea, the Philippines, the Ryukyu Islands, the Solomon Islands, Thailand, and Vietnam.

[6] Pterocarpus indicus was one of two species (the other being Eysenhardtia polystachya) used as a source for the 16th- to 18th-century traditional diuretic known as lignum nephriticum.

[9][10] Note: Pterocarpus macrocarpus, a similar species native to Burma, is referred to as "Rosewood" throughout South East Asia.

The wood known in Indonesia as amboyna is the burl of the tree, named after Ambon, where much of this material was originally found.

It is a premium timber species suitable for high grade furniture, lumber and plywood for light construction purposes.

The tall, dome-shaped crown, with long, drooping branches is very attractive and the flowers are spectacular in areas with a dry season.

Narra is a leguminous plant that is capable of fixing nitrogen by forming endosymbiotic relationships with nitrogen-fixing bacteria that lives in its root nodules.

Nodulating leguminous plants, such as narra, are responsible for transforming atmospheric nitrogen into a plant-usable form.

Tagalog and Cebuano nára, Maranao nara),[13] but nevertheless the popular sturdy wood is widely used for construction and furniture projects.

[17] The infection was eventually controlled by a combination of monitoring, removal of lightning-damaged trees, and replanting with identified disease-resistant varieties.