European science formally named and described this genus in 1879, authored by Bavarian botanist Ludwig A. T. Radlkofer,[REF][REF][REF] based on Carl Ludwig Blume's 1849 published Cupania sect.
In 1992-3 Dutch botanist Frits Adema formally published new names and descriptions for numerous species and clarified species named previously, of the Pacific Islands and Malesia regions [REF].