"Dipterocarpus acutangulus is a species of tree in the family Dipterocarpaceae. The species name acutangulus is derived from Latin (angulus = angle, acutus = sharp) and refers to the ribs of the fruit calyx tube. It is found in peninsular Malaysia and Borneo, where it is locally known as keruing merkah or keruing beludu."@en . . . . . . . . . "Dipterocarpus acutangulus"@en .