Georgius Everhardus Rumphius, Herbarium Amboinense (Amstelaedami: Chanquion, 1741-1750) vol. 5 p. 154, tab. 65, cf. fortasse p. 148, tab. 64; cf. E. D. Merrill, An Interpretation of Rumphius's Herbarium Amboinense. Manilae: Department of Agriculture and Natural Resources, Bureau of Science, 1917 p. 152