Georgius Everhardus Rumphius, Herbarium Amboinense (Amstelaedami: Chanquion, 1741-1750) vol. 1 p. 123; cf. E. D. Merrill, An Interpretation of Rumphius's Herbarium Amboinense. Manilae: Department of Agriculture and Natural Resources, Bureau of Science, 1917 p. 397
Henry Trimen, A Hand-book to the Flora of Ceylon pars. 6 (1931) p. 115