Kopsia sumatrana Holotype: Sumatra, Riau Province, Bukit Karampal, 5 km W of Talanglakat on Rengat-Jambi road., Burley, Tukirin et al. 1886 (A) Isotype: Sumatra, Riau Province, Bukit Karampal, 5 km W of Talanglakat on Rengat-Jambi road., Burley, Tukirin et al. 1886 (L)