Merpauh Swintonia spp. Burma and the Malayan Peninsula eastward into Borneo, Cambodia, and the Philippines.
Some species are siliceous.
No information available on kiln schedules. Tension wood is rather common causing difficulty in sawing and woolly finish, otherwise works rather well. Heartwood is not durable and sapwood is particularly prone to stain. Heartwood reported to be treatable with absorption of 7 to 17 pcf of preservative oils using an open-tank system. 282-3Logs are delivered to a sawmill in southern Nigeria.