Place of publication:
Icon. carpolog. 22, t. 27, fig. 4. 1849 (Graham ex Benth. in F. A. W. Miquel, Pl. jungh. 254. 1852)
Comment:
both Ralph's and Bentham's names trace back to D. cultrata Graham in Wallich, Numer. List. no. 5861. 1831-1832, nom. nud.