The Collaborative International Dictionary
Redwood \Red"wood`\ (-w[oo^]d`), n. (Bot.)
A gigantic coniferous tree ( Sequoia sempervirens) of California, and its light and durable reddish timber. See Sequoia.
-
An East Indian dyewood, obtained from Pterocarpus santalinus, C[ae]salpinia Sappan, and several other trees.
Note: The redwood of Andaman is Pterocarpus dalbergioides; that of some parts of tropical America, several species of Erythoxylum; that of Brazil, the species of Humirium.
Wikipedia
Pterocarpus dalbergioides, the Andaman padauk, Andaman redwood or East Indian mahogany, is a species of legume in the Fabaceae family. It is sometimes called "narra", but this is just a generic term used for any of several Pterocarpus species.
It is found only in India.