Swartzia panacoco, known as panococo or Brazilian ebony, is a tree of the bean family, growing in Guyana, South America. Its wood is hard and durable. The heartwood ranges from an olive brown to a near black color and can have lighter or darker markings that are sharply separated from the sapwood, which is lighter and yellow in appearance. According to "The Treasury of Botany" published by Longmans, Green, and Co. of London in 1866 for John Lindley, Ph.D., F.R.S., F.L.S., an Emeritus Professor of Botany in University College, London, panacoco is also a French name for Ormosia coccinea.